Q. In making a battery
✅ Correct Answer: (A)
positive terminal of one cell is connected to the negative terminal of the next cell
Electric Current and Its Effects MCQs with answers
Dear candidates you will find MCQ questions of 7th Class - Science | Chapter: Electric Current and Its Effects here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
All subjects and chapters of 7th Class are listed below. You can select any subject and chapter below to learn mcq questions of that chapter and subject.
Q. Where can the key or switch be placed in the circuit?
✅ Correct Answer: (C)
Can be placed anywhere in the circuit
Q. Which one of the following is based on the heating effect of current?
✅ Correct Answer: (D)
All of these
Q. Electromagnet loses its magnetic property when
✅ Correct Answer: (B)
Current is switched OFF
Q. An element measure the potential difference between two points in an electric circuit is
✅ Correct Answer: (A)
voltmeter
Q. When the switch is in the ‘ON’ position, the electric circuit is said to be
✅ Correct Answer: (D)
both (a) and (c)
Q. Which of the following precaution need not be taken while using electric appliances?
✅ Correct Answer: (D)
Never turn switch in ‘ON’ position.
Q. Choose the statement which is not correct in the case of an electric fuse.
✅ Correct Answer: (C)
There is a minimum limit on the current which can safely flow in the electric circuits.
Q. When a switch is in OFF position.
(i) circuit starting from the positive terminal of the cell stops at the switch.
(ii) circuit is open.
(iii) no current flows through it.
(iv) current flows after some time.
Choose the combination of correct answer from the following:
(i) circuit starting from the positive terminal of the cell stops at the switch.
(ii) circuit is open.
(iii) no current flows through it.
(iv) current flows after some time.
Choose the combination of correct answer from the following:
✅ Correct Answer: (B)
(ii) and (iii) are correct
Q. Which of the following precautions need not be taken while using electric gadgets / appliances/circuit?
✅ Correct Answer: (D)
We should never turn the switch in ON position.
Q. The coil of wire contained in an electric heater is known as
✅ Correct Answer: (B)
element
Q. A device which prevents or allows the current to flow through it
✅ Correct Answer: (D)
Switch
Q. In an electric circuit, the bulb glows only when the switch is in the
✅ Correct Answer: (A)
‘ON’ position
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