Question

The types of faults in a telephone line are ________

(a) line to line or line to ground

(b) triple line to line or line to ground

(c) open circuit and short circuit

(d) symmetrical and unsymmetrical

The question was posed to me in an interview.

I would like to ask this question from Applications of Wheatstone Bridge in division Measurement of Resistance of Electrical Measurements

Answer 1

Correct answer is (a) line to line or line to ground

Explanation: In a telephone line, line to line and line to ground faults occur. Symmetrical, unsymmetrical, open circuit, short circuit, triple line to line and line to ground faults occur in power systems.