In an AC circuit the power factor (1) is unity when the circuit contains as ideal resistance only (2) is zero when the circuit contains an ideal inductance only (3) is zero when the circuit contains an ideal resistance only (4) is unity when the circuit contains an ideal inductance only

Question

In an AC circuit the power factor (1) is unity when the circuit contains as ideal resistance only (2) is zero when the circuit contains an ideal inductance only (3) is zero when the circuit contains an ideal resistance only (4) is unity when the circuit contains an ideal inductance only (A) 1, 2 and 3 are correct. (B) 1 and 2 are correct. (C) 2 and 4 are correct. (D) 1 and 3 are correct.

Tardigrade Admin · Accepted Answer

Correct answer is (b) 1 and 2 are correct.

Q. In an AC circuit the power factor (1) is unity when the circuit contains as ideal resistance only (2) is zero when the circuit contains an ideal inductance only (3) is zero when the circuit contains an ideal resistance only (4) is unity when the circuit contains an ideal inductance only

1, 2 and 3 are correct.

1 and 2 are correct.

2 and 4 are correct.

1 and 3 are correct.

Correct answer is (b) 1 and 2 are correct.