A current of 0.3 A is passed through a lamp for 2 minutes using a 6-V power supply. The energy (in /) dissipated by this lamp during the 2 minutes is: A B. 1.8 12 20 36 216
Q: current of 2.37 A flows through a 1.06 mm diameter copper wire that is connected to a capacitor…
A:
Q: In the circuit below, how much current flows through D? 150 A B 50 0.04 A O 0.02 A O 0.01 A O 0.03 A…
A:
Q: A power transmission line carries 520 A of current at a voltage of 924 kV. If the line has a…
A: I = 520 A R = 48 μΩ/m = 48 x 10-6 Ω/m d = 509 km = 509 x 103 m P = ?
Q: A current of 2.37 A flows through a 1.06 mm diameter copper wire that is connected to a capacitor…
A: Current (I) = 2.37 A diameter of wire = 1.06 mm time (t) = 9.1×10-4seconds
Q: An electric utility company supplies a customer’s house from the main power lines (120 V) with two…
A: An electric utility company supplies a customer’s house from the main power lines (120 V) with two…
Q: A 14-gauge copper wire has a diameter of 1.628 mm. What magnitude current flows when the drift…
A:
Q: In the circuit below, how much current flows through B? 150 A B D 50 0.01 A O 0.03 A 0.04 A 0.02 A…
A:
Q: An electric device delivers a current of 5 A for 10 seconds. How many electrons (1.6x10-19 C) flow…
A: SOLUTION AS
Q: A coil of Nichrome wire is 25.0 m long. The wire has a diameter of 0.400 mm and is at 20.0°C. If it…
A: Length of wire (L) = 25 m diameter of wire (d) = 0.4 mm radius of wire (r) = 0.2 mm Current (I) =…
Q: How much does it cost to operate a 1.2 kw heater for exactly 30.0 min if electrical energy costs…
A: Given: The power of the heater is 1.2 kw. The time duration of the uses is 30.0 min.
Q: In a cathode ray tube, electrons travel across a distance of 19.2 cm. Over this distance, the…
A: Let I be the current, t be the time, e be the charge of an electron and n be the number of…
Q: The current in the heater is 10.0 A when the unit is operating. Resistance of the heating coil is…
A:
Q: Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the…
A:
Q: In a water heater, the power dissipated by the heating element is 2.4 kW when connected to a 180 V…
A: Given, Power dissipate by heating element P = 2.4 kW = 2400 W Voltage V = 180 V We know the…
Q: R4 ww 50Ω 100 aŽ R, R,3250 2 24 V 350ΩR
A: We can find the effective resistance of the entire circuit and then calculate the total current…
Q: What is the current drawn by a 9.60 Ohm hair dryer, which uses 5.40 x 10$ Joules of energy, if it is…
A: Given: Resistance (R) = 9.6 ohms Energy used (E) = 5.40 x 105 J Time used (t) = 6 minutes = 360 sec…
Q: copper transmission 46km long and 13.5cm in diameter carries a current of 36A. how much electrical…
A: Solution
Q: A 0.718 kg0.718 kg toy car is powered by four AA batteries (6.00 V total) connected directly to a…
A: Given : m = 0.718 kg V = 6 V e = 36.1% = 0.361 t = 7.88 s v = 3.43 m/s
Q: A lightbulb in a home is emitting light at a rate of 120 watts. If the resistance of the light bulb…
A:
Q: A current of 0.5 A flows through a fluorescent lamp of resistance 300 Q. The power dissipated on the…
A: The power dissipated is given by P=I2R Here, I is the current and R is the resistance.
Q: An electric device draws 6.5 A at 240 V. If the voltage drops by 15%, what will be the new current?…
A: Given: Current, I=6.5 A Potential, V=240 V Voltage drop=15%=0.15 We know, OHM'S LAW: V=IR At…
Q: Assuming 89.0% efficiency for the conversion of electrical power by the motor, what current (in A)…
A: Given, Efficiency of the motor, η = 89.0%potential differnce of the batteries, V = 12.0 Vmass of the…
Q: What is the power in watts of a 2.40 ✕ 102 MV lightning bolt having a current of 1.87 ✕ 104 A?
A: Given,Vo=2.4*102MV or 2.4×108VoltsIo=1.87×104A
Q: an electric current of 10 A is the same as A.) 10 J/C B.) 10 V/C C.) 10 C/s D.) 10 W/s
A: Given that Amount of electric current I = 10 A
Q: The energy used by the electric iron for 3 minutes is 100 kJ at a voltage of 220 volts. How large…
A: Power is defined as the rate of change of energy per unit time( in seconds ) Therefore…
Q: A 4.0 kW heater element from a dryer has a length of 100 cm. If a 20 cm section is removed, what…
A: Initial length of element L = 100 cm Initial power P = 4.0 kW Final length of element L' = 100 cm -…
Q: If the current flowing through a circuit is 0.6 A for 6 mins, the amount of electric charge flowing…
A:
Q: A power station generates 600 MW of electrical power fed to a transmission line. If the input…
A:
Q: The electric power of a lamp that carries 2 A at 120 V is Question 1 options: 2 watts. 240…
A: The current through the lamp, I=2A The voltage across the lamp, V=120 V
Q: A 15Volts battery produces 4 Ampere of current in the circuit. The electrical power is measured to…
A:
Q: Nichrome wire of cross-sectional radius 0.798 mm is to be used inwinding a heating coil. If the coil…
A: Given : Current in coil, I = 8.73 A Voltage across wire ends, V = 130 V Radius of cross-section of…
Q: 1. What is the current moving through a wire that has 0.60 C of electrons passing through a point in…
A: Note : As per guidelines i can answer the first question only (Since, given question is not a multi…
Q: 224.)An electrician experienced a mild electric shock when he accidentally touched a wire carrying…
A: Given:- i= current= 5 mA= 5×10^-3 A t= time = 2 sec Current can be given as:- i= q/t Where; q=…
Q: A 4.50-volt personal stereo uses 1950 joules of electrical energy in one hour. What is the…
A: Given data: Voltage (V) = 4.50 V Energy (E) = 1950 J Time (t) = 1 hour = 3600 s Required:…
Q: How much chemical energy must a 1.25V flashlight battery expend in producing a current flow of 150…
A:
Q: A power plant supplies a current of 4.80 x 10 A at 545 kV. After being transmitted down a few…
A:
Q: A flashlight, which uses a 3.0 V battery, is turned on for 2.0 minutes. If the current in the…
A: Given data: Battery voltage (V) = 3.0 V Time (t) = 2 minutes = 120 seconds Current (I) = 100 mA =…
Q: In the figure shown, the emf of battery is 2 volts and its internal resistance is 20. Calculate the…
A:
Q: 5. An immersion heater has a resistance of 5.0 ohms while drawing a current of 3.0 amperes. How much…
A: According to Joule's law of heating, heat energy produced, H=I2Rt where, H = heat energy I = current…
Q: 2.5 A C. 3.0 A D. 3.5 A 10. What does it cost to cook a chicken for 2 hours in an oven that operates…
A: Que(10) current (I)=20 amp voltage(V)=220 volt charge =40 fils per kWh time=2 hours
Q: Which one of the following graphs correctly shows the relationship between potential difference (V)…
A: Q3. The mathematical relationship between potential difference, current, and resistance is given as,…
Q: When a 60-watt light bulb is connected to a 120-volt source the current in the light bulb is…
A: Given data: Power (P) = 60 W Voltage (V) = 120 V Required: The current (I)
Q: What is the total current through the battery? A 0.75 A B 3.0 A 1.54 0.33 Α Μ ΤΩ ΤΩ Μ 2Ω :
A: Required:- Current through the battery. Concept:- First of all we will calculate equivalent…
Q: A 9v battery passes 1 mA current through a circuit for 10 minutes. what work was done by the batter…
A:
Q: An electric device draws 6.5 A at 240 V. If the voltage drops by 15%, what will be the new current?…
A: Original current drawn, Original voltage, Voltage drop percentage,
Q: A pulse of electricity measures 305 V, 0.15 A and lasts 500 μs. What power and energy does this…
A:
Q: A current of 0.3 A is passed through a lamp for 2 minutes using a 6-V power supply. The energy…
A: Given : I = 0.3 A t = 2 minutes = 2 x 60 = 120 seconds V = 6 V
Q: A 49-kQ resistor is connected across 216 V. The current in the resistor (in mA) equals: а. 4.41 b.…
A: Resistance , R = 49 kΩ Voltage , V = 216 V To find = Current
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- The electric charge that moves through a conductor varies in accordance with the equation q(t) =950t, where Q and t are given in μC and msec respectively. Calculate the current in A.A copper transmission cable 19 km long and 16.5 cm in diameter carries a current of 33 A. How much electrical energy (in MJ) is dissipated as thermal energy in 7 hours? Note: p= 1.72x10-8 ohms x mAn 8-A electric lamp is plugged to a 110-V outlet and used for 45 minutes. How much energy does it require? a.) 2376 kJ b.) 2592 kJ c.) 4536 kJ d.) 4752 kJ
- 36 q 4bHow much will it cost to run an electric motor for10 days if the motor draws 15 A of current from the240-V power line? The cost of electricity is 7.5¢/kWhA constant current transfers 10*10^14 electrons onto one plate of a capacitor in 3 minutes [min]. (a) What is the current, in units of amperes [A]? Express the answer using an appropriate SI prefix such that there are only 1, 2, or 3 digits shown to the left of the decimal. (b) If the capacitor has a capacitance of microfarads [F], what is the voltage in units of volts [V] across the capacitor?
- An electric current is given by the expression I(t) = t2 + 1, where I is in amperes and t is in seconds. What is the total charge carried by the current from ti = 2.5 to tf = 4.6 s? (Answer in 1 decimal place)An electric train operates on 960 V. What is its power consumption when the current flowing through the train's motor is 1,940 A?____________________WA meter measures a current of 9.33x10^14 electrons flowing past a point each second. Express this in microamperes. a.) 149 microamperes b.) 11.5 microamperes c.) 84.4 microamperes d.) 109 microamperes
- The prefix form of 0.00000065V is a. 6.5 micro V b. 650 micro V c. 65 micro V d. 0.65 micro VA power transmission line is hung from metal towers with glass insulators having a resistance of 4.90 ✕ 109 Ω. What current (in mA) flows through the insulator if the voltage is 320 kV? (Some high-voltage lines are DC.)The resistance of an electric heater is 80 Ω when connected to 120 V. How much energy does it use during 25 min of operation? (Answer in J)