Constant Voltage Transformers - MCQs with Answers

Constant Voltage Transformers - MCQs with Answers

Q1. A ferro resonant transformer regulation is also known as

a. Constant current transformer
b. Constant voltage transformer
c. Variable current transformer
d. Variable voltage transformer

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Q2. In a constant voltage transformer, the primary winding and secondary winding is formed by the

a. capacitor, linear inductor
b. Non linear inductor, capacitor
c. Linear inductor and non linear inductor
d. Capacitor, non linear inductor

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Q3. A constant voltage transformer is fed with the sinusoidal input voltage. Its output is

a. Sinusoidal
b. Flat topped
c. Saw tooth
d. Zig-zag

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Q4. The output voltage of constant voltage transformer contains excessive harmonics which can be filtered out by using

a. RC filter
b. RL filter
c. LC filter
d. None of these

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Q5. The constant voltage transformers are most commonly used in

a. Personal computers
b. Arc welding
c. Power distribution
d. Electric cars

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