Electromagnetic Induction & Alternating Currents-Peak and RMS Value of AC [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 12 - 17 of 18

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Question 12

Question MCQ▾

The resistance of a coil for dc is 5 ohm. In ac, the resistance will

Choices

Choice (4)Response

a.

Decrease

b.

Remain same

c.

Increase

d.

Be zero

Edit

Question 13

Appeared in Year: 2016

Question MCQ▾

A resistance and a capacitor is reactance are connected in series across a source. When the capacitor is charged, the peak value of the displacement current is –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 14

Appeared in Year: 2017

Question MCQ▾

In an electromagnetic wave in free space the root mean square value of the electric field is The peak value of the magnetic field is:

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 15

Question MCQ▾

A A. C. supply is connected between points and (Fig.) . What will be the potential difference V across the capacitor?

The a. C. Supply Points a & B

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 16

Appeared in Year: 2022

Question MCQ▾

The peak voltage of the ac source is equal to

Choices

Choice (4)Response

a.

The rms value of the ac source

b.

The value of voltage supplied to the circuit

c.

times the rms value of the ac source

d.

times the rms value of the ac source

Edit

Question 17

Question MCQ▾

In the series circuit shown in the figure, the rms voltage across the resistor and inductor are respectively. If the applied voltage is , then the peak voltage across the capacitor is

LCR Circuit Diagram

Choices

Choice (4)Response

a.

b.

400 V

c.

1200 V

d.

Edit