Electric Current and Its Effects (CBSE (Central Board of Secondary Education- Board Exam) Class-7 Science): Questions 7 - 13 of 17

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 322 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 250.00 or

Question number: 7

» Electric Current and Its Effects » Symbols of Electric Components » Symbols for Some Electric Circuit Components

MCQ▾

Question

Symbols are used to represent electric components in:

Choices

Choice (4) Response

a.

Diagram

b.

Pictures

c.

Circuit diagram

d.

All of the above

Question number: 8

» Electric Current and Its Effects » Symbols of Electric Components » Electric Circuit

MCQ▾

Question

Conducting wires are:

Choices

Choice (4) Response

a.

Good conductors of electricity

b.

Bad conductors of electricity

c.

Insulators

d.

None of the above

Question number: 9

» Electric Current and Its Effects » Heating Effect of Electric Current » Fuse

MCQ▾

Question

Costly electric appliances are fitted with a:

Choices

Choice (4) Response

a.

Cartridge fuse

b.

Fuse wire in insulating holders

c.

None of the above

d.

All of the above

Question number: 10

» Electric Current and Its Effects » Symbols of Electric Components » Battery

MCQ▾

Question

Two or more cells in a series combination forms:

Choices

Choice (4) Response

a.

Circuit diagram

b.

Fuse

c.

Battery

d.

Electric circuit

Question number: 11

» Electric Current and Its Effects » Symbols of Electric Components » On and Off Switch

MCQ▾

Question

When the switch is ON position, the circuit is said to be:

Choices

Choice (4) Response

a.

Closed

b.

Open

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question number: 12

» Electric Current and Its Effects » Heating Effect of Electric Current » Fuse

MCQ▾

Question

Fuse is:

Choices

Choice (4) Response

a.

Fusible wire of short length

b.

Made up of an alloy of lead and tin

c.

Inserted in each gadgets

d.

All a. , b. and c. are correct

Question number: 13

» Electric Current and Its Effects » Symbols of Electric Components » Symbols for Some Electric Circuit Components

MCQ▾

Question

Circuit diagram is defined as:

Choices

Choice (4) Response

a.

A path through which electric current flows

b.

A series combination of two or more cells

c.

A diagram which represent a circuit in terms of the symbols of components used

d.

None of the above

f Page
Sign In