Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Work done = charge x potential difference
Or, W = 5 x 1 = 5 J
APPEARS IN
संबंधित प्रश्न
How much work is done in moving a charge of 2 C across two points having a potential difference of 12 V?
Name a device that help to measure the potential difference across a conductor.
State whether a voltmeter has a high resistance of a low resistance. Give reason for your answer.
If the potential difference between the end of a wire of fixed resistance is doubled, by how much does the electric power increase?
Define the term ‘volt’.
Calculate the current flowing through each of the resistors A and B in the circuit shown in the following figure.
A V-I graph for a nichrome wire is given below. What do you infer from this graph? Draw a labelled circuit diagram to obtain such a graph.
A cell of e.m.f 2.0 V and internal resistance 1Ω is connected to the resistors of 3Ω and 6Ω in series. Calculate:
(i) the current drawn from the cell,
(ii) the p.d. across each resistor,
(iii) the terminal voltage of the cell and
(iv) the voltage drop.
A 10 m long wire of a particular material is of reistance 5Ω What will be the resistance of 5m long wire of same material and the same thickness.
A negative charge will move from ______ to ______ potential.
