Magnetic Effects of Electric Current [NSO Level 1- Science Olympiad (SOF) Class 10]: Questions 1 - 5 of 71

Choose Programs:

🎯 1497 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 500.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 1

Question MCQ▾

The source of electricity in a device is a battery, so the current passing through device is:

Choices

Choice (4)Response

a.

Direct current

b.

Alternative current

c.

Varying current

d.

Magnetic current

Edit

Question 2

Question MCQ▾

When a conducting current carrying wire is placed in magnetic field,

Choices

Choice (4)Response

a.

it՚s current starts decreasing

b.

It experiences Lorentz force

c.

it՚s current becomes zero

d.

it՚s current starts increasing

Edit

Question 3

Question MCQ▾

The dynamo is working based on:

Choices

Choice (4)Response

a.

Change chemical energy into electric energy

b.

Change Electric energy into chemical energy

c.

Change electric energy into mechanical energy

d.

Change mechanical energy into electric energy

Edit

Question 4

Question MCQ▾

Which of the following device used based on the principle of converting electric energy in to mechanical energy?

Choices

Choice (4)Response

a.

Electric Geyser

b.

Electric cell

c.

Electric generator

d.

Electric motor

Edit

Question 5

Question MCQ▾

If a current carrying wire is placed in magnetic field directed in positive axis, and current of the wire is in negative direction, then according to Fleming՚s left hand rule the force exerted on wire is in:

Choices

Choice (4)Response

a.

b.

c.

d.

Edit