A:-Neutrons
B:-Electrons
C:-Protons and neutrons combined together
C:-Protons and neutrons combined together
D:-Valence electrons
Correct Answer:- Option-B
2:-The most commonly used electrical conductor is .
A:-Lead
Correct Answer:- Option-B
2:-The most commonly used electrical conductor is .
A:-Lead
B:-Tin
C:-Brass
D:-Copper
Correct Answer:- Option-D
3:-The opposition offered to the movement of electrons/current flow is known as .
A:-Electric resistance
D:-Copper
Correct Answer:- Option-D
3:-The opposition offered to the movement of electrons/current flow is known as .
A:-Electric resistance
B:-Current
C:-Voltage
D:-None of these
Correct Answer:- Option-A
4:-In a meter one main scale division is 5 volts, and it is divided into 10 small scale divisions. The meter can measure a minimum voltage of .
A:-5 V
C:-Voltage
D:-None of these
Correct Answer:- Option-A
4:-In a meter one main scale division is 5 volts, and it is divided into 10 small scale divisions. The meter can measure a minimum voltage of .
A:-5 V
B:-0.5 V
C:-0.1 V
C:-0.1 V
D:-1 V
Correct Answer:- Option-B
5:-As the field intensity (H) in the core is increased, the flux density (B) .
A:-Increases
Correct Answer:- Option-B
5:-As the field intensity (H) in the core is increased, the flux density (B) .
A:-Increases
B:-Decreases
C:-Becomes zero
D:-Does not change
C:-Becomes zero
D:-Does not change
Correct Answer:- Option-A
6:-Magnetic lines are concentrated at .
A:-At the centre of magnet
B:-Any one end of the magnet
6:-Magnetic lines are concentrated at .
A:-At the centre of magnet
B:-Any one end of the magnet
C:-Along the magnet uniformly
D:-Both the ends of the magnet
Correct Answer:- Option-D
7:-Generation and distribution of AC power in India is normally .
A:-Single phase
7:-Generation and distribution of AC power in India is normally .
A:-Single phase
B:-3 phase
C:-2 phase
D:-Either 2 phase or 3 phase
C:-2 phase
D:-Either 2 phase or 3 phase
Correct Answer:- Option-B
8:-The principle of operation of universal motor, similar to .
A:-DC shunt motor
8:-The principle of operation of universal motor, similar to .
A:-DC shunt motor
B:-DC series motor
C:-DC short-shunt compound motor
C:-DC short-shunt compound motor
D:-DC long-shunt compound motor
Correct Answer:- Option-B
9:-The flux density of a coil can be increased by inserting a .
A:-Brass core
9:-The flux density of a coil can be increased by inserting a .
A:-Brass core
B:-Iron core
C:-Rubber core
C:-Rubber core
D:-Plastic core
Correct Answer:- Option-B
10:-The frequency of induced emf in an AC generator is given by .
A:-120/PN
Correct Answer:- Option-B
10:-The frequency of induced emf in an AC generator is given by .
A:-120/PN
B:-120P/N
C:-PN/120
D:-120N/P
Correct Answer:- Option-C
Correct Answer:- Option-C
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