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Electric Circuits

Electric Circuits
Active filter consists of

 op-amp.
 op-amp and capacitor.
 capacitor.
 inductor.

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Electric Circuits
A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance?

 None of them.
 36.6 pF.
 32 pF.
 30 pF.

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Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Series C.
 Parallel C.
 Series L.
 Parallel L.

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Electric Circuits
In a capacitive circuit, the capacitive reactance is

 directly proportional to frequency
 directly proportional to the square of frequency
 indirectly proportional to frequency
 indirectly proportional to the square of frequency

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Electric Circuits
What is a resistor?

 Test
 Capacitor
 Hello
 Inductor

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Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 160 µF
 40 µF
 5 µF
 10 µF

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MORE MCQ ON Electric Circuits

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