current electricity class 12 mcq
14 One Tesla =
1. newton/coloumb
2. newton/ampere-meter
3. ampere/meter
4. newton/ampere second
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13 The magnetic force on a current carrying wire placed in uniform magnetic field if the wire is oriented perpendicular to magnetic field, is ......
1. 1.0
2. ILB
3. 2ILB
4. ILB/2
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12 Which of the following converts mechanical energy into electrical energy
1. motor
2. battery
3. generator
4. switch
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11 Which of the following converts electrical energy into mechanical energy
1. motor
2. battery
3. generator
4. switch
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