- (A) Electric clock
- (B) Mixer grinder
- (C) Ceiling fan
- (D) Room heater
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- (A) remains unchanged
- (B) decreases
- (C) increases
- (D) none of the above
- (A) 0.5 lagging
- (B) 0.5 leading
- (C) 0.95 lagging
- (D) 0.95 leading
- (A) High maintenance cost
- (B) Continuous losses in motor
- (C) Noise
- (D) All of the above
- (A) both waves must have same frequency
- (B) both waves must have identical peak values
- (C) both waves must have zero value at the same time
- (D) none of the above
- (A) square wave
- (B) half wave rectified sine wave
- (C) triangular wave
- (D) sine wave
- (A) 180″
- (B) 90°
- (C) 60°
- (D) 0°
- (A) 127.4 V
- (B) 141.4 V
- (C) 282.8 V
- (D) 200V
- (A) 20 Hz
- (B) 30 Hz
- (C) 40 Hz
- (D) 50 Hz
- (A) plant capacity
- (B) average load
- (C) peak load
- (D) kWh generated

