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प्रश्न
उत्तर
Work done = charge x potential difference
Or, W = 5 x 1 = 5 J
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संबंधित प्रश्न
Calculate the work done in moving a charge of 4 coulombs from a point at 220 volts to another point at 230 volts.
A potential difference of 20 volts is applied across the ends of a resistance of 5 ohms. What current will flow in the resistance?
What p.d. is needed to send a current of 6 A through an electrical appliance having a resistance of 40 Ω?
Write down the formula which states the relation between potential difference, current, and resistance.
A p.d. of 10 V is needed to make a current of 0.02 A flow through a wire. Wire p.d. is needed to make a current of 250 mA flow through the same wire?
Electric cells having 2V potential difference each have been connected in the form of a battery. What will be the total potential difference of the battery in both cases?
State whether the potential is a scalar or vector?
Three resistors are connected to a 6 V battery as shown in the figure given below:
Calculate:
(i) the equivalent resistance of the circuit.
(ii) total current in the circuit.
(iii) potential difference across the 7.2 Ω resistor.
A current of 0.2 A flows through a conducting wire for 5 minutes. How much charge will flow?
A boy records that 4000 joules of work are required to transfer 10 coulombs of charge between two points of a resistor of 50 Ω. The current passing through it is:
