Advertisements
Advertisements
Question
State the S.I. unit of electric potential.
Advertisements
Solution
S.I. unit of potential is volt (v).
RELATED QUESTIONS
State whether the resistivity of a wire changes with the change in the thickness of the wire.
Which of the following statements correctly defines a volt?
(a) a volt is a joule per ampere.
(b) a volt is a joule per coulomb.
What is the SI unit of potential difference?
State whether a voltmeter has a high resistance of a low resistance. Give reason for your answer.
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?
What is the combined resistance of each of the networks between A and B shown in fig. ?

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 current of 0.2 A flows through a conducting wire for 5 minutes. How much charge will flow?
Potential near a charge is the measure of its ______ to bring a positive charge at that point.
An electric charge always flows from a point at a ______ to a point at a ______.
