0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

The e.m.f. of a cell is _____ the voltage across its terminals when no current flows. Fill in the blank.
  1. more than
  2. less than
  3. none of these
  4. equal to

A
more than
B
less than
C
none of these
D
equal to
Solution
Verified by Toppr

Voltage across the cell terminals V=EIr
I=0 V=E
Thus e.m.f of a cell is equal to the voltage across its terminal when no current flows.

Was this answer helpful?
0
Similar Questions
Q1
The e.m.f. of a cell is _____ the voltage across its terminals when no current flows. Fill in the blank.
View Solution
Q2

A cell is used to send current to an external circuit.

(a) How does the voltage across its terminals compare with its e.m.f.?

(b) Under what condition is the e.m.f. of the cell equal to its terminal voltage?

View Solution
Q3
When a voltmeter is connected across the terminals of a cell, it measure 9 Volt. If a resistance of 1.5Ω is connected across the terminals of a cell as shown in figure. Then current flowing through this resistance is :-
279042.png
View Solution
Q4
A cell is used to send current to an external circuit. How does the voltage across its terminals compare with its e.m.f.?
View Solution
Q5
When a resistance of 2 ohm is connected across the terminals of a cell, the current is 0.5 amp. When the resistance is increased to 5 ohm, the current is 0.25 amp. The emf of the cell is:
View Solution