A. Motors
B. Switches, radio interferences
C. Computers, digital electronics
D. All of these
A. fast acting fuse
B. snubber circuit
C. metal oxide varistor
D. aluminium block
A. series connection.
B. parallel connection.
C. anti parallel connection.
D. both B and C.
A. 1.5.
B. 0.5.
C. 1.0.
D. 1.2.
A. Electrical power developed in armature – copper losses
B. Mechanical power input – iron and friction losses
C. Electrical power developed in armature – iron and copper losses
D. Mechanical power input – iron and friction losses – copper losses
A. Across anode
B. In series with anode
C. Across cathode
D. In series with cathode
A. Only amplitude of voltage is controllable
B. Only phase is controllable
C. Both amplitude and phase is controllable
D. Amplitude, phase and frequency of voltages should always be controllable