Assertion : Ohm’s law cannot be applied to $a.c$ circuit.
Reason : Resistance offered by capacitor for a.c source depends upon the frequency of the source.
Assertion : Ohm’s law cannot be applied to $a.c$ circuit.
Reason : Resistance offered by capacitor for a.c source depends upon the frequency of the source.
- [AIIMS 2009]
- A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- C
If the Assertion is correct but Reason is incorrect.
- D
If both the Assertion and Reason are incorrect.
Similar Questions
The voltage of an $ac$ source varies with time according to the equation $V = 100\sin \,\left( {100\pi t} \right)\cos \,\left( {100\pi t} \right)$ where $t$ is in seconds and $V$ is in volts. Then
The voltage of an $ac$ source varies with time according to the equation $V = 100\sin \,\left( {100\pi t} \right)\cos \,\left( {100\pi t} \right)$ where $t$ is in seconds and $V$ is in volts. Then
Statement $-1$ : Capacitor can be used in $a.c.$ circuit in place of choke coil.
Statement $-2$ : Capacitor blocks $d.c.$ and allows $a.c.$ only.
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Statement $-2$ : Capacitor blocks $d.c.$ and allows $a.c.$ only.
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If an $AC$ main supply is given to be $220\,V$. The average $emf$ during a positive half cycle will be.....$V$
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- [AIIMS 2009]