Question
Question: In the adjoining figure, the reading of ammeter A is not zero while that of voltmeter V is zero. The...
In the adjoining figure, the reading of ammeter A is not zero while that of voltmeter V is zero. The substance C is –
A
A semiconductor
B
An insulator
C
A superconductor
D
A semimetal
Answer
A superconductor
Explanation
Solution
for super conductor
R = 0 ∴ V = IR = 0