A. Exhaust fan
B. Ceiling fan
C. Refrigerator
D. Water pump
A. Small output
B. Eddy currents and magnetic hysterias
C. Soft iron core
D. Back emf
A. 12 V
B. 24 V
C. 0 V
D. 6 V
A. 0.15 to 0.30 km phps
B. 0.30 to 0.6 km phps
C. 0.6 to 2.4 km phps
D. 3 to 5 km phps
E. 10 to 15 km phps
A. Work against the resistance to motion
B. Work against gravity while moving up the gradient
C. Acceleration
D. All of the above
A. r.p.m. only
B. Horse power only
C. Horse power and r.p.m.
D. Horse power, r.p.m. and power factor
Which quantity consists of a unit 1KWh ?
A. Energy
B. Time
C. Power
D. Charge
1 kWh is the amount of energy used by a 1 kW (1000 watt) resistance for 1 hour. Energy = Power × Time.