# Electromagnetic Induction & Alternating Currents (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 94 - 98 of 124

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## Question number: 94

» Electromagnetic Induction & Alternating Currents » Alternating Currents

Assertion-Reason▾

### Assertion (Ꭺ)

An alternating current is more dangerous than the direct steady current.

### Reason (Ꭱ)

The frequency of the alternating current is injurious the human body.

### Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are false

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

## Question number: 95

» Electromagnetic Induction & Alternating Currents » Power in AC Circuits

MCQ▾

### Question

In an ac circuit, V and I are given by ,

. The average power dissipated in circuit is

### Choices

Choice (4) Response

a.

2.5 watt

b.

10 4 watt

c.

10 watt

d.

0.025 watt

## Question number: 96

» Electromagnetic Induction & Alternating Currents » Resonance

MCQ▾

### Question

This circuit will resonate at ω equal to,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 97

» Electromagnetic Induction & Alternating Currents » Quality Factor

MCQ▾

### Question

In an LCR circuit, the sharpness of resonance depends on

### Choices

Choice (4) Response

a.

Capacitance C

b.

Inductance L

c.

Resistance R

d.

All a. , b. and c. are correct

## Question number: 98

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

MCQ▾

### Question

In the circuit shown in figure neglecting source resistance the voltmeter and ammeter reading will respectively, be

### Choices

Choice (4) Response

a.

0V, 8A

b.

0V, 3A

c.

150 V, 6A

d.

150V, 3A

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