Capacitors MCQs
Practice free Capacitors multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 102 questions — no login required.
Question 91easy
If the reactive power of a circuit is 50 mW while the apparent power is 64 mW, then what is the true power of the circuit?
Question 92easy
If a 5 V, 60 Hz voltage is applied to a 4.7 mu.gifF capacitor, the circuit current will be ______ .
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Question 94easy
The basic capacitor is made up of ___ that separates two conductive plates.
Question 95easy
A circuit whose output voltage is proportional to the rate of change of the input voltage is called a(n) ______ .
Question 96easy
The term ______ is derived from a mathematical function in calculus.
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Question 97easy
A capacitor takes ___ time constants to charge to 95% of its capacity.
Question 98easy
The ___ of a capacitor affects the time it takes to charge and discharge.
Question 99easy
The ______ the area of the plates, the greater the number of electrons and ______ that can be stored.