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Subjects
Science CBSE
Class 10
Magnetic effects of electric current
Textbook based HOTS
12.
Multiple choice question XII
Exercise condition:
4
m.
1
.
Which of the following is the device that converts electrical energy into mechanical energy?
Dynamo
Motor
Transformer
Resistor
2
.
Which of the following is the device that increases or decreases the voltage of an alternating current?
Dynamo
Motor
Transformer
Resistor
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