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

EMF of a cell can be:
  1. either positive or negative
  2. only positive
  3. only negative
  4. none of the above

A
either positive or negative
B
only positive
C
only negative
D
none of the above
Solution
Verified by Toppr

EMF is the voltage developed by any source of electrical energy such as battery or dynamo. The emf of the source is defined as the work dW done per unit charge dq=dWdq. It can be positive or negative depending on the redox reactions of the cell.

Was this answer helpful?
0
Similar Questions
Q1
An integer can either be a positive or a negative number.
View Solution
Q2
For direct variation can the value of k be either positive or negative?
View Solution
Q3
For direct variation the value of k can be either positive or negative.
View Solution
Q4
Match the following
(Here x and y can be either a positive , negative or zero)
View Solution
Q5
Tick (✓) the correct answer
The reciprocal of a negative rational number
(a) is a positive rational number
(b) is a negative rational number
(c) can be either a positive or a negative rational number
(d) does not exist
View Solution