NSO Level 1- Science Olympiad (SOF) Class 10: Questions 744 - 746 of 986

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Question number: 744

» Magnetic Effects of Electric Current

Edit
MCQ▾

Question

Match column I and column II and select the correct option from the codes given below.

Table of the Column-I and Column-II

Table of the Column-I and Column-II

Column I

Column II

(1)

AC generator

(i)

Electromagnetic induction

(2)

DC generator

(ii)

Split ring is used as a commutator

(3)

Electric motor

(iii)

Magnetic effect of electrical current

(4)

Generator

(iv)

Commutator

(v)

Slip rings

Choices

Choice (4) Response

a.

(1) - (iii), (2) - (i), (3) - (v), (4) - (iv)

b.

(1) - (ii), (2) - (iv), (3) - (v), (4) - (ii)

c.

(1) - (iv), (2) - (v), (3) - (i), (4) - (iii)

d.

(1) - (v), (2) - (iv), (3) - (ii), (4) - (i)

Question number: 745

» Magnetic Effects of Electric Current

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match column I and column II and select the correct option from the codes given below.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Fleming’s right hand rule

(i)

Converts electrical energy into mechanical energy

(B)

Fleming’s left hand rule

(ii)

Converts mechanical energy into electrical energy

(C)

Electric Motor

(iii)

Applicable for motors

(D)

Electric Generator

(iv)

Direction of induced current

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (iv)
  • (iii)
  • (i)

b.

  • (iv)
  • (iii)
  • (i)
  • (ii)

c.

  • (iv)
  • (ii)
  • (iii)
  • (i)

d.

  • (i)
  • (iii)
  • (iv)
  • (ii)

Question number: 746

» Metals and Non - Metals

Edit
MCQ▾

Question

Read the given statements and mark the correct option.

Statement 1: Metals are good conductors of electricity

Statement 2: Non-metals generate dull sound when hit with hammer

Choices

Choice (4) Response

a.

Statements 1 and 2 are true.

b.

Statements 1 and 2 are wrong.

c.

Only Statement 1 is true.

d.

Only Statement 2 is true.