MCQ Questions | Class 7 Science Chapter 14 | Electric Current and its Effects with Answers

MCQ | Electric Current and its Effects Class 7

Check the below NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and its Effects with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Electric Current and its Effects Class 7 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 7

NCERT Solutions Class 7 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	7th
Subject:	Science
Chapter:	14
Chapters Name:	Electric Current and its Effects
Medium:	English

Ncert Solutions for Class 7 Science | Objective Type Questions

You can refer to NCERT Solutions for Class 7 Science Chapter 14 Electric Current and its Effects to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Electric Current and its Effects | Class 7 Science | NCERT Solutions

Q1.	ncert science class 7 book In a bulb there is a thin wire called
	A. filament
	B. coil
	C. element
	D. fuse wire

Ans: filament

Q2.	ncert science class 7 chapter 14 When the bulb gets fused, the electric current
	A. flows in the circuit
	B. does not flow in the circuit
	C. sometimes flows and sometimes not
	D. none of these

Ans: does not flow in the circuit

Q3.	ncert science class 7 solutions A glowing bulb becomes warm due to the
	A. heating effect of current
	B. magnetic effect of current
	C. chemical effect of current
	D. physical effect of current

Ans: heating effect of current

Q4.	ncert science class 7 textbook pdf An electric iron is an example of
	A. heating effect of current
	B. magnetic effect of current
	C. chemical effect of current
	D. physical effect of current

Ans: heating effect of current

Q5.	cbse class 7 science book A __ is used in torches.
	A. Generator
	B. Fuse
	C. Secondary cell
	D. Dry cell

Ans: Dry cell

Q6.	cbse class 7 science book pdf download Arrangement of cells in a device is
	A. side by side
	B. one after the other
	C. (1) or (2)
	D. none of these

Ans: (1) or (2)

Q7.	cbse class 7 science chapter 14 Where can the key or switch be placed in the circuit?
	A. Left side of the battery
	B. Right side of the battery
	C. Can be placed anywhere in the circuit
	D. Near the positive terminal of the bulb

Ans: Can be placed anywhere in the circuit

Q8.	cbse class 7 science notes pdf An element measure the flowing an electric current is:
	A. voltmeter
	B. filament
	C. circuit
	D. ammeter

Ans: ammeter

Q9.	cbse science class 7 book Electromagnet is used in
	A. Battery
	B. Dry cell
	C. Electric bell
	D. Fuse

Ans: Electric bell

Q10.	cbse science class 7 book pdf In an electric circuit, the bulb glows only when the switch is in the
	A. ‘ON’ position
	B. ‘OFF’ position
	C. (1) or (2)
	D. none of these

Ans: ‘ON’ position

Q11.	cbse science class 7 chapter 14 Which one of the following is based on the heating effect of current?
	A. Geyser
	B. Hair dryer
	C. Immersion rod
	D. All of these

Ans: All of these

Q12.	cbse science class 7 mcq An element measure the potential difference between two points in an electric circuit is:
	A. voltmeter
	B. filament
	C. circuit
	D. ammeter

Ans: voltmeter

Q13.	cbse science class 7 question paper A device which prevents or allows the current to flow through it
	A. Motor
	B. Terminal
	C. Conductor
	D. Switch

Ans: Switch

Q14.	cbse science class 7 solutions When the switch is in the ‘ON’ position, the electric circuit is said to be
	A. closed
	B. open
	C. complete
	D. both (1) and (c)

Ans: both (1) and (c)

Q15.	cbse science class 7 syllabus The coil of wire contained in an electric heater is known as
	A. component
	B. element
	C. circuit
	D. spring

Ans: element

Q16.	class 7 mcq Electric current has energy called:
	A. voltmeter
	B. filament
	C. electrical energy
	D. none of these

Ans: electrical energy

Q17.	class 7 science book The metal which is poor conductor of electricity is
	A. Gold
	B. Iron
	C. Aluminium
	D. Mercury

Ans: Mercury

Q18.	class 7 science book pdf Which of the following precaution need not be taken while using electric appliances?
	A. Never touch lighted electric bulb connected to mains.
	B. Never experiment with the electric supply from mains.
	C. Never use any wire to replace fuse wire.
	D. Never turn switch in ‘ON’ position.

Ans: Never turn switch in ‘ON’ position.

Q19.	class 7 science chapter 14 Which of the following is being used in place of fuses?
	A. MCB
	B. Nichrome
	C. Filament
	D. Switch

Ans: MCB

Q20.	class 7 science mcq Which of the following is not a reason for excessive currents in electrical circuits?
	A. Direct touching of wires
	B. Short circuiting
	C. Switch in ‘off position
	D. Overloading