If the potential difference across a length of wire is 3V and the resistance is 5Ω.                                                                                                                What is the resistance of the wire? How much power does the wire use?

Q: The current in an electric lamp is 5 amperes. How much charge (in Coulomb) will flow toward its…

A: Given data:  Current (I) = 5 A Time (t) = 6 minutes Required: The amount of charge flows (q)

Q: How much current is entering a circuit junction if the currents leaving the junction are 2 mA, 10 mA…

A: Given : Currents leaving the junction are : I1 = 2 mA I2 = 10 mA I3 = 5.8 mA

Q: The force between two electrical charges is 0.4 N. What would be the force if the charges are…

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Q: A subwoofer needs a household voltage of 110 V to push a current of 5.5 A through its coil. What is…

A: Given  Voltage V=110 V Current I=5.5 A

Q: How much electricity does a powerful gaming computer need to run

A: In this question we have to answer the running power required for a powerful gaming computer. Please…

Q: What is the total circuit resistance when resistive elements of 5, 10, 15, and 20 Ω are connected in…

A:

Q: An electric toaster operating on 120 volts draws a current of 7 amperes. The resistance of the…

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Q: A voltage of 12 volts across a lamp produces a current of 0.4 ampere. What is the filament…

A: Voltage(V),  current(I) and resistance(R) are related by the following formula, R = V/I

Q: A current of 0.6 A flows through a resistor with a voltage difference of 120 V across it. What is…

A: Given Current(I) = 0.6 A Voltage difference (V) = 120 V Resistance (R) = ? We know ohms law ,  V = I…

Q: A resistor of 3 ohms is connected in parallel with one of 2 ohms resistance. If the combination is…

A: Given  R1=3 Ohms R2=2 Ohm R3=4 Ohm

Q: If 0.5 amps of current are measured in a circuit with a light bulb connected to a 120 volts outlet,…

A: V=I*R V=120 Volts I=0.5 amps   R=V/I=120/0.5=240 Ohm

Q: What is the current (in amperes) drawn by an 840 W toaster attached to a 120 V outlet?

A: Given that            The power of the toaster is (P) = 840W            The voltage (V) = 120V We…

Q: What is the Voltage needed to have 10 amps of current pass through a 4 ohm resistor?

A: Required : Voltage required.

Q: ohms

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Q: What is the combined resistance of a 2 Ω and a 3 Ω resistor connected in series?

A: Given data-  R1 = 2Ω                       R2 = 3Ω   Explanation- if the two Resistances R1 and R2…

Q: What is the total resistance when 10 resistors are put in parallel if each of them individually has…

A: When 10 resistors of equal resistance are put in parallel, 1Req=1R+1R+.....+1R10times1Req=10RReq=R10

Q: What is the total current for the circuit

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Q: an overhead wire has a potential difference of 2000 volts. If the current flowing through the wire…

A: Given data: The potential difference of the wire, V=2000 V. The current flowing through the wire,…

Q: If a 9 volt battery produces a current of 3 Amperes, what is the of the resistance of the wire the…

A: The equation for the resistance in the wire can be given as

Q: A 8-V battery in a simple circuit produces a current of 3.0 A through the circuit. How much power is…

A: Given data: Voltage supply is, V=8 V. Magnitude of current is, I=3.0 A.

Q: A 200-Ohm resistor and a 500-Ohm are in series as a part of a larger circuit. If the voltage across…

A: Given, Resistance R1 = 200 Ω Resistance R2 = 500 Ω Voltage across  the 200-Ohm resistor V1 = 2 V…

Q: What is the current in a 40-watt bulb when it is connected to a 220-V outlet?

A: The power input required in a circuit is defined as the product of the voltage drop across the…

Q: A 9-volt battery is connected to a lightbulb. The lightbulb has a resistance of 50 ohms. What is the…

A: Relation between current, voltage and resistance is given by ohm’s law V=I R

Q: is the resistance of a lightbulb that uses 0.5 amps and 110 volts?

A:

Q: When a light bulb is connected to a 8.8 V battery, a current of 0.29 A passes through the light…

A: Given data:  Battery voltage (V) = 8.8 V Current (I) = 0.29 A Required: The resistance of the…

Q: There is a current of 0.73 Amps through a light bulb in a 120 Volt circuit. What is the resistance…

A:

Q: A battery of emf 10 V and internal resistance 3 2 is connected to a resistor. If the current in the…

A: Given, emf of battery = 10V Internal resistance, r = 3Ω Current in circuit, I = 0.5 A Let resistance…

Q: What is the voltage of a power source in a circuit that passes 3.6 A of current through a 4.2 Ω…

A:

Q: Three resistors rated at 18 kΩ, 22 kΩ, and 4.4 kΩ are connected in parallel in a circuit. What is…

A: R1 = 18 k-ohm R2 = 22 k-ohm R3 = 4.4 k-ohm

Q: A current of 1.5 A is flowing through a resistance of 22 Ω. What is the voltage difference across…

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Q: What is the power dissipated in a circuit if there is 3.0 N of resistance and there is 5.0 A of…

A: Answer             C) 75W solution We know that The power dissipated in the circuit is P= I2R Here I…

Q: What is the equivalent resistance for a circuit with a 125 V battery and 20 Ω, 30 Ω, and 50 Ω…

A: Answer              Equivalent resistance = 100 ohm

Q: What is the current in a circuit with a 120 V voltage supply and 500 Ohms of resistance ?

A: According to ohm's law Current in circuit, I = V/R    I = 120/500 I = 0.24 A

Q: A current of 1.0 A is flowing through a resistance of 21 Ω. What is the voltage difference across…

A: Given : Current (I) = 1 A Resistance (R) = 21 Ω

Q: In the circuit shown in Figure 4 , Calculate the current through the 25 ohms resistor and the supply…

A: 20 ohm, 100 ohm & 25 ohm are parallel  So equivalent of these three  1/R = (1/20)+(1/100)+(1/25)…

Q: What is the resistance of a bulb if the current in it is 1.25 A when a 4 V voltage supply is…

A: It is given that, I=1.25 AV=4 V The resistance in bulb, using ohm's law is, V=IRR=VI=41.25=3.2 Ω

Q: A current of 3.0 A flows through a resistor with a voltage difference of 143 V across it. What is…

A: Write the equation for the resistance of the resistor. R=VI Here, The voltage difference is "V" The…

Q: What is the equivalent resistance of the resistors in the following circuit?

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Q: What is the potential difference needed to produce a current of 5 A in a resistance of 40 Ω ?

A: Given that                        The current in the circuit is (I) = 5A                   and the…

Q: What is the current, in mA, of a 3 kilo-Ohm resistor hooked up to a 120 V voltage source?

A: Given,

Q: If the current of the first resistor is 2 amperes, what is the voltage drop

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Q: A small light bulb is connected to a 110 V battery and draws 13 A of current. What is the net…

A: A load (like a bulb) when connected with a battery of voltage V, then the current in the circuit is…

Q: If a 120-ohm resistor is in parallel with a 60-ohm resistor and a 9-V battery what is the total…

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Q: A battery of emf 10 V and internal resistance 3 N is connected to a resistor. If the current in the…

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Q: The current in an electric lamp is 5 amperes. What quantity of electricity flows towards the…

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Q: In a simple electric circuit, a 24-ohm resistor is connected across a 6.0-volt battery. What is the…

A: Resistance (R) = 24 ohm  Potential difference provided by the battery (V) = 6 volts

Q: When a 10-volt battery is connected to a resistor, the current in the resistor is 2 A. What is the…

A: From the Ohm's law,  V = IR where, V =potential difference or voltage I = Current in circuit R =…

Q: What is the total resistance if each resistor is 50 ohms

A: