Chapter 6: Electrical Circuits & Electric Currents - Science Mcqs for Grade 7

1.

Steel cans are made of

A. lead

B. tinplate

C. tungsten

D. cobalt

Answer & Solution Discuss in Board

2.

The pure piece of metal which is used to be plated, is made the

A. anode

B. cathode

C. nematode

D. posit rode

Answer & Solution Discuss in Board

3.

To make the coil keep rotating, the current is reversed after every half turn by a device called

A. brush

B. commutator

C. mutator

D. carbon spring

Answer & Solution Discuss in Board

4.

The charge flowing in the wire when we turn the light on, is

A. positive ions

B. negative ions

C. electrons

D. protons

Answer & Solution Discuss in Board

5.

Miniature circuit breaker is a small

A. fuse

B. magnetic switch

C. electromagnetic switch

D. two way switch

Answer & Solution Discuss in Board

6.

Electricity is formed by

A. positively charged ions

B. negatively charged ions

C. electrons

D. protons

Answer & Solution Discuss in Board

7.

Ammeter can be connected

A. before the cell or battery

B. before the bulb

C. after the bulb

D. anywhere

Answer & Solution Discuss in Board

8.

Shiny objects are often made by electroplating steel with

A. nickel

B. titanium

C. chromium

D. zinc

Answer & Solution Discuss in Board

9.

A good permanent magnet should produce a high magnetic field with a

A. high mass

B. low mass

C. dense mass

D. thick mass

Answer & Solution Discuss in Board

10.

The discovery which was made by Hans Oersted was used by an

A. British scientist

B. French scientist

C. English scientist

D. Chinese scientist

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 6: Electrical Circuits & Electric Currents - Science Mcqs for Grade 7

1. Steel cans are made of

Answer & Solution

2. The pure piece of metal which is used to be plated, is made the

Answer & Solution

3. To make the coil keep rotating, the current is reversed after every half turn by a device called

Answer & Solution

4. The charge flowing in the wire when we turn the light on, is

Answer & Solution

5. Miniature circuit breaker is a small

Answer & Solution

6. Electricity is formed by

Answer & Solution

7. Ammeter can be connected

Answer & Solution

8. Shiny objects are often made by electroplating steel with

Answer & Solution

9. A good permanent magnet should produce a high magnetic field with a

Answer & Solution

10. The discovery which was made by Hans Oersted was used by an

Answer & Solution

Read More Section(Science Mcqs)

1.

Steel cans are made of

2.

The pure piece of metal which is used to be plated, is made the

3.

To make the coil keep rotating, the current is reversed after every half turn by a device called

4.

The charge flowing in the wire when we turn the light on, is

5.

Miniature circuit breaker is a small

6.

Electricity is formed by

7.

Ammeter can be connected

8.

Shiny objects are often made by electroplating steel with

9.

A good permanent magnet should produce a high magnetic field with a

10.

The discovery which was made by Hans Oersted was used by an