Physics-Magnetism & Electricity at Work (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 42 - 46 of 46

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Question number: 42

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

If an electric current is passed through nerve of a man, then man

Choices

Choice (4) Response

a.

Is excited

b.

Begins to weep

c.

Becomes insensitive to pain

d.

Begins to laugh

Question number: 43

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

In the circuit diagram shown, find currents i 1 and i 2.

A circuit with three resisters

A Circuit With Three Resisters

Find the currents flowing in different resister by using given values

Choices

Choice (4) Response

a.

i1=0.5Aandi2=1.5A

b.

i1=1.5Aandi2=0.5A

c.

i1=3Aandi2=1A

d.

i1=1Aandi2=3A

Question number: 44

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

The permanent magnet is made from which one of the following substances?

Choices

Choice (4) Response

a.

Ferromagnetic

b.

Paramagnetic

c.

Diamagnetic

d.

Electromagnetic

Question number: 45

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

The path of a charged particle moving in a magnetic field can be a

Choices

Choice (4) Response

a.

Circle

b.

Helix

c.

Straight line

d.

All a. , b. and c. are correct

Question number: 46

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

What is increased in step-down transformer?

Choices

Choice (4) Response

a.

Power

b.

Current density

c.

Voltage

d.

Current

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