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Physics 10 Chapter 15 - Electromagnetism - 15
1.
Which of the following statement is correct about step-up transformer?
a) Has less turns in the secondary coil
b) Increases the input current
c) Has more turns in the primary coil
d) Decreases the output voltage
2.
Which of the following statement is correct about step-up transformer?
a) Decreases the input voltage
b) Increases the input current
c) Has less turns in the primary coil
d) Has less turns in the secondary coil
3.
Which of the following statement is correct about step-up transformer?
a) Has more turns in the primary coil
b) Has more turns in the secondary coil
c) Increases the input current
d) Decreases the input voltage
4.
If the secondary voltage is smaller than the primary voltage, then what is the transformer called?
a) Mutual transformer
b) Step-up transformer
c) Ideal transformer
d) Step-down transformer
5.
Which of the following statement is correct about step-down transformer?
a) Decreases the input current
b) Decreases the input voltage
c) Has more turns in the secondary coil
d) Has less turns in the primary coil
6.
Which of the following statement is correct about step-down transformer?
a) Decreases the input current
b) Increases the output voltage
c) Has less turns in the primary coil
d) Has more turns in the secondary coil
7.
Which of the following statement is correct about step-down transformer?
a) Has more turns in the primary coil
b) Increases the input voltage
c) Has more turns in the secondary coil
d) Decreases the input current
8.
Which of the following statement is correct about step-down transformer?
a) Has less turns in the primary coil
b) Decreases the input current
c) Has less turns in the secondary coil
d) Increases the input voltage
9.
What is the transformer called in which the electric power delivered to the secondary circuit is equal to the power supplied to the primary circuit?
a) Ideal transformer
b) Step-down transformer
c) Mutual transformer
d) Step-up transformer
10.
Which of the following plays an important role in power distribution?
a) Generator
b) Capacitor
c) Transformer
d) DC motor
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