Class 7 Science

Chapter 14: Electric Current and Its Effects

MCQs and Practice Worksheet

Part A: Multiple Choice Questions (MCQs)

Q1. The flow of electric charge is called:

A. Electricity
B. Electric current
C. Magnetism
D. Energy

Answer: B

---

Q2. Electric current can flow only when the circuit is:

A. Open
B. Broken
C. Closed
D. Long

Answer: C

---

Q3. Which of the following is a source of electric current?

A. Bulb
B. Switch
C. Electric cell
D. Wire

Answer: C

---

Q4. Which effect of electric current is used in an electric iron?

A. Magnetic effect
B. Heating effect
C. Chemical effect
D. Sound effect

Answer: B

---

Q5. Which device works on the magnetic effect of electric current?

A. Electric bulb
B. Electric heater
C. Electric bell
D. Electric iron

Answer: C

---

Q6. A fuse is used to:

A. Increase current
B. Store electricity
C. Protect appliances
D. Produce light

Answer: C

---

Q7. Which of the following is NOT a part of an electric circuit?

A. Battery
B. Switch
C. Bulb
D. Magnet

Answer: D

Part B: Practice Worksheet

1. Fill in the blanks:

• The flow of electric charge is called __________.
• Electric current flows only in a __________ circuit.
• An electric bell works on the __________ effect of current.
• A __________ protects electrical appliances.

2. Very Short Answer:

(a) What is electric current?
(b) Name one device that uses heating effect.
(c) Name the safety device used in electric circuits.

3. Short Answer:

(a) What is an electric circuit?
(b) Write two effects of electric current.
(c) Why is a fuse important?

4. Long Answer:

Explain the heating effect and magnetic effect of electric current with examples.

Answer Key (For Teachers & Parents)

Fill in the blanks:

• Electric current
• Closed
• Magnetic
• Fuse

Very Short Answers:

• Flow of electric charge
• Electric iron / Heater
• Fuse

---

Shaktimatha CBSE Learning
Class 7 Science – Chapter 14: MCQs & Worksheet

⬅️ Back to Class 7 Science Library