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"Dimensions of the rate of change of flux are equivalent to those of" Multiple Choice Questions (MCQ) on transformers with choices voltage, current, 1/charge, and charge for ACT practice test. Solve transformers quiz questions for merit scholarship test and certificate programs for colleges that offer online degrees. Transformers Video

MCQ: Dimensions of the rate of change of flux are equivalent to those of

1. voltage
2. current
3. 1/charge
4. charge

A

MCQ: The turn ratio (r) for a step-up transformer is

1. r = 0
2. r > 1
3. r < 1
4. r = 1

B

MCQ: Practical application of the mutual induction is

1. transformer
2. DC generator
3. AC generator
4. capacitor

A

MCQ: Transformer is the device that works on the principle of

1. self-induction
2. Lenz's law
3. mutual induction
4. motional EMF

C

MCQ: Efficiency of the transformer is defined as

1. (output power/input power) × 100
2. (input power/output power) × 100
3. input power/output power
4. output power × 100

A