For an inductor

Important Questions on Alternating Current

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CUET (UG)

IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 7 - Alternating Current>Exercise>Q 28

A choke coil

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 7 - Alternating Current>Exercise>Q 29

A capacitor $50 \mu \mathrm{F}$ is connected to a supply of $220 \mathrm{V}$ and angular frequency $50$$\mathrm{rad} {\mathrm{s}}^{-1}$. The value of rms current in the circuit is

EASY

CUET (UG)

IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 7 - Alternating Current>Exercise>Q 30

If the capacity of a condenser is $1 F$, then its resistance in a DC circuit will be

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 7 - Alternating Current>Exercise>Q 31

A capacitor acts as an infinite resistance for

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 7 - Alternating Current>Exercise>Q 32

Of the following about capacitive reactance which is correct

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 7 - Alternating Current>Exercise>Q 33

A capacitor has capacitance $C$ and reactance $X,$ if capacitance and frequency become double, then reactance will be

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 7 - Alternating Current>Exercise>Q 34

Which of the following curves correctly represents the variation of capacitive reactance $X_{\mathrm{C}}$ with frequency $f$?

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 7 - Alternating Current>Exercise>Q 35

Due to which component, the current in $\mathrm{AC}$ circuit leads the voltage in phase-