7. In a portable speaker, only 16A of current pass through a copper wire. If the speaker is operated by a 9V battery, what is the resistance in the circuit?
Q: 5. A copper wire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when…
A: Given values: Length of the copper wire, l=2.50 m Diameter, d=2.5 mm Voltage, V=3.0 V Resistivity of…
Q: 9. A household water heater has a resistance of 30 Ohm. The operating voltage is 220 V. Find the…
A: Resistance of water heater (R) = 30 Ohm Operating voltage (V) = 220 V We are required to find the…
Q: 5. A circuit has an electrical power of 30W and a total resistance of 90. What is the circuit's…
A:
Q: 4. A 110 volt wall outlet supplies power to a strobe light with a resistance of 2200 ohms. How much…
A:
Q: 1. A voltmeter has an internal resistance of 500 kilo-ohm. Determine the voltage drop across the…
A: According to guidelines we need to solve only first question kindly repost other questions in the…
Q: 19. A current of 25.0 mA is measured in the circuit below. what voltage must the battery supply?
A:
Q: 15. A parallel combination of two resistors, of 12 each, is connected in series with a 1.5N…
A:
Q: 3. Which of the circuits has the lowest equivalent resistance?
A: (3) Consider circuit A in which the resistors are connected in parallel. The equivalent resistance…
Q: 63. The diagram below represents currents in branches of an electric circuit. led 10. A +15 A What…
A:
Q: 3) A battery has an EMF of 9.0 V and an internal resistance of 0.50 a. What is the terminal voltage…
A:
Q: 22. A series circuit has 3 resistors. The current through one resistor is 100 amps. How much current…
A: Given Data : The Current through one of the resistors is given as I = 100 amp. The voltage of the…
Q: 6. A circuit has an electrical power of 60W and a total resistance of 70. What is the circuit's…
A: Given: The electrical power of the circuit is 60 W. The resistance of the circuit is 7 Ohm.
Q: 7. An electric heater is made of Nichrome wire. The wire has a resistance of 15.2 Ω at a temperature…
A: Given value--- resistance R0 = 15.2 ohm. initial temperature = 20 degree C. final temperature =…
Q: 11.) A hair dryer with a resistance of 30 Q is plugged into a 120-volt socket. If the hair dryer is…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: 5. An electrical device of 48.6 Q resistance performs best when the current is 5.87 A. How much…
A: Here given an electrical device of resistance 48.6 ohm. It's performance is best when the current…
Q: 15) How much current is drawn by a 75-Watt light bulb connected to a 120V outlet?
A: Given info Power of light bulb is P = 75 Watt Outlet voltage V = 120 V We have to determine current…
Q: 1.A copper wire has a resistance of 15.0Ω at a temperature of 14°C. After a current passes through…
A: Given data: Original resistance of copper wire is, Ro=15.0 Ω. Initial temperature is, Ti=14∘C. Rise…
Q: 30. How many amps of current will flow through a circuit that has a 4-ohm resistor and is powered by…
A:
Q: 6. The current I in amperes is inversely proportional to the resistance R in ohms. If the current is…
A: Given: The initial current is 30 A. The initial resistance is 3 Ohm. The final resistance is 5 Ohm.
Q: 12 - A circuit has a total resistance of 402 and the current running through the circuit is 0.25A.…
A:
Q: 5. How much electrical energy is transferred to thermal energy in 2.50 hrs by an electrical…
A:
Q: 82 16 Q 12 V Switch
A: Given Resistance of the resistors are R1=8 Ω and R2=16 Ω We have to find the total resistance of…
Q: 3. A 1-km cable consists of 12 identical strands of aluminum, each 3mm in diameter. What is the…
A: Given: The length of the wire is 1 km. The diameter of the wire is 3 mm. The number of strands is…
Q: 4. A light bulb operating at 110 v draws 1.40 A of current. What is its resistance?
A: Ohm's law is a relationship between the voltage across an element, the current going through the…
Q: If a 12 volt battery is supplied to the parallel connection, how much power is consumed by the 7.5…
A: Given data: Two resistors are connected in parallel R1 = 4 Ω and R2 = 7.5 Ω Battery voltage (V) =…
Q: 5. A circuit has 10 ohms of resistance and 20 amps of current. A. How much voltage would be…
A: Given data : Resistance = R Current = i To find ;…
Q: 8. A household water heater has a resistance of 30 Ohm. The operating voltage is 220 V. Find the…
A: Ohm's law states that V=iR Where, V = voltage i = current R= resistance
Q: 7. A circuit has 3 A of current. How long does it take 15 C of charge to travel through the circuit?…
A: Given data: Current (I) = 3 A Charge (q) = 15 C Required: Time (t)
Q: 1.When lighted, a 100-watt light bulb operating on a 110-volt household circuit has a resistance of
A: As per guideline I m solving the first one, relation between power and resistance.
Q: 3.A circuit is made of 0.4 2 wire,a 1500 bulb and a 1200 rheostat connected inseries.Determine the…
A: Given data: R1 = 0.4 Ω R2 = 150 Ω and R3 = 120 Ω All three are connected in series Required: The…
Q: 12- When you have three resistance are parallel to each other are ( 12,4, 6) ohm respectively and…
A: Data Given , Three resistance are parallel to each other , Value of these resistors are 12 ohm , 4…
Q: 2. The heating element of a flat iron provides a resistance of 32 n when plugged into a common 220 V…
A: Given: The resistance is 32 ohms. The voltage is 220 V.
Q: 16. The p.d's measured across three resistors connected in series are 5V, 7 V and 10V, and the…
A:
Q: 7. A silver wire has a resistance of 2.12 at 27.5 C, and a resistance of 2.72 at 100 C. Determine…
A: Given value--- Resistance R1 = 2.1 ohm. at T1 = 27.5 C. Resistance R2 = 2.7 ohm .at T2 = 100 C. We…
Q: 7. Compare the resistance of a 1.5-A interior light bulb of a car (operating off a 12-V battery) to…
A:
Q: 15. A computer is hooked to a 100 V power supply using two connecting wires (same circuit shape as…
A: Voltage of the supply (V) = 100 volts Resistance of each wire (R) = 22 ohm Power used by each wire…
Q: 5. In the circuit represented below, which switches must be closed to produce a current in conductor…
A: 5) A circuit consisting of a resistor , few switches and a battery is as shown in the figure
Q: 1. A vacuum cleaner uses 11 A when plugged in to a 120 V outlet. How much resistance does it have?
A: Given data: The current used by cleaner is I=11 A. Outlet voltage is V=120 V.
Q: 30. How many amps of current will flow through a circuit that has a 4-ohm resistor and is powered by…
A: Data Given. Supply voltage ( V ) = two 8 volt batteries means , V = 16 v Resistance ( R ) = 4 ohm…
Q: 4. From the circuit shown, determine the resistance between terminals a and b. 10 20 30 40 50
A:
Q: An electric heater carries a current of 13.5 A when operating at a voltage of 120 V. What is the…
A:
Q: 6. A 4000-2 resistor is connected across a 220-V power source. What current will flow through the…
A: Ohm's law defines the relationship of the voltage, resistance, and current of the circuit and is…
Q: 21. What is the voltage drop across the 20-ohm resistor in the circuit? A. 6 V B. 4 V C. 2 V D. OV
A: When analyzing the circuit we find that the three resistors are joined in parallel with the battery.
Q: 4. A copper wire has a resistance of 15.00 at a temperature of 14°C. After current passes through…
A: Given data: The resistance of the copper wire at a temperature of 14 °C, Ri=15 Ω. The temperature…
Q: 6. An electric heater is constructed by applying a potential difference of 110 V across a wire with…
A: Answer 6: Given data: Potential difference V = 110 V Write resistance (R) = 5 ohm Calculate the…
Q: * 16. The tungsten filament of a light bulb uses 60 W when connected to a 120-V power line. When the…
A: SOlution: given that p = 60 Wv = 120 V R when cold = 24 Ohm
Q: .3. A refrigerator uses 1200 W of power. If it has a total resistance of 352, what is the current…
A: Given: The power is 1200 W. The total resistance of the circuit is 35 Ω.
Q: 2. A tungsten filament has a resistance of 133 at 150°C. If the temperature coefficient of…
A: Write the given values with the suitable variables. R1=133 ΩT1=150 °CT=0 °CT2=500 °Cα=0.0045 /°C…
Q: 4. A small bulb is rated at 7.5 W when operated at 125 V. Its resistance (in ohms) is ANS = 2100
A:
Q: 17. A commercial printer uses an average power of 400 W while printing. If its total resistance is…
A: Given: Power, W=400 W Resistance, R=72 Ω To find peak voltage.
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- A 120-V circuit in a house is equipped with a 20-A fuse that will b1ow if the current exceeds 20 A. What is the smallest resistance that can be plugged into the circuit without causing the fuse to blow?Iron Man and The Hulk are building circuits for their next quantum teleportation project. For one specific part of their device, both of them has one 10-ohm resistor and one 100-ohm resistor. Iron man connected his in series while The Hulk connected his in parallel. (a) Which one has higher equivalent resistance? (b) Whose circuit will have a higher magnitude of current?Eight holiday lights are connected in series as shown inFig. 5.83.a. If the set is connected to a 120-V source, what is thecurrent through the bulbs if each bulb has an internalresistance of 2818 ?b. Determine the power delivered to each bulb.c. Calculate the voltage drop across each bulb.d. If one bulb burns out (that is, the filament opens),what is the effect on the remaining bulbs?
- A light bulb has a resistance of 8 ohms and a maximum current of 10 A. How much voltage canbe applied before the bulb will break?A toaster operating on 120 v uses a current of 9.3 A. What is the toaster power consumption? How much energy does it use in 4 min? What is the total resistance of the heating element wires?Your cellphone typically consumes 400mW of power while used t text. If the phone is operated using a battery with voltage of 3.6 V, what is the current flowing through the cell phone circuitry under these circumstances?
- The switch in (Figure 1) has been open for a very long time. The switch is closed at t= 0 ss. Assume E = 170 V. After a very long time, what is the current in the 60 Ω resistor? After a very long time, what is the current in the 40 Ω resistor? After a very long time, what is the current in the 10 Ω resistor?A 12V battery is connected to a light bulb and draws 150mA of current. 1. What is the electrical resistance of the light bulb? 2. How much power does it consume? 3. How much will it cost to operate this bulb for a month if the cost of electricity is $0.11 per kWh?The switch in (Figure 1) has been open for a very long time. The switch is closed at tt = 0 s. Assume E = 170 V. At t = 0 s, what is the current in the 40 Ω resistor? At t = 0 s, what is the current in the 10 Ω resistor?
- A (3V, 300mA) flashlight bulb is to be used as the dial light in a 120V radio. What is the resistance of the resistor that should be connected in series with the flashlight bulb to limit the current?Q4/ Use Super Position theorem to find the current flowing through Resistance(Rf) and also voltage across that resistor. Rd=25 Re=6 Rf=4 Vm =15 Vn = 16The circuit in the figure on the right shows a network of resistors connected in series and in parallel. (a) Determine the total resistance of the network. (b) What is the current through the 3.00-Ω?