Class 10 Physics Chapter 13 Magnetic Effects of Electric Current MCQs are provided here with answers. The magnetic effects of electric current is one of the fundamental concepts of science. These MCQ questions are designed as per the latest CBSE syllabus and NCERT curriculum. Solving these chapter-wise MCQs will help students to score good marks in the final exam. Magnetic Effects of Electric Current Class 10 Science Chapter 13 MCQs are prepared for a better understanding of the concept. It allows students to test their knowledge and answering skills in the given time frame.
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MCQs on Class 10 Physics Chapter 13 Magnetic Effects of Electric Current
Check the multiple-choice questions for the Class 10 Physics Chapter 13 Magnetic Effects of Electric Current. Each MCQ will have four options here, out of which only one is correct. Students have to pick the correct option and check the answer provided here.
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1. Magnetic field lines emerge from
- South pole
- North Pole
- Center of magnet
- None of these option
Answer: (b) North Pole
Explanation: Magnetic field lines emerge from the north pole and terminate at the south pole.
2. Magnetic field is a
- Scalar quantity
- Vector quantity
- Dimensionless quantity
- None of these option
Answer: (b) Vector quantity
Explanation: Since the magnetic field has both magnitude and direction, it is considered as a vector quantity.
3. Overloading happens due to ——————.
- Short circuits
- Decrease in power supply
- Increase in power supply
- Option (a) and (c)
Answer: (d) Option (a) and (c)
Explanation: Increase or decreases in the power supply causes overloading.
4. Which of the following is used to detect the presence of current in a circuit?
- Meter bridge
- Sonometer
- Galvanometer
- Electric motor
Answer: (c) Galvanometer
Explanation: Galvanometer is a device used to direct the presence of current in a circuit.
5. The small gap in the electric circuit is known as
- Cell
- Load
- Switch
- Wires
Answer: (c) Switch
Explanation: A switch is ideally used to open or close a circuit.
6. Unit of electric power may also be expressed as
- Watt second
- Ampere hour
- Volt ampere
- Kilowatt hour
Answer: (c) Volt ampere
Explanation: The unit of electric power may also be expressed as Volt ampere.
7. ——————– is a closed-loop or path formed by the network of electrical components, where electrons flow.
- Electric Potential
- Electric Circuit
- Electric Path
- Electric Difference
Answer: (b) Electric Circuit
Explanation: Electric Circuit is a closed loop. Current flows in a closed circuit.
8. ———————– is the device used to convert electrical energy into mechanical energy.
- Galvanometer
- Ammeter
- Electric motor
- Potentiometer
Answer: (c) Electric motor
Explanation: Electric motor is a device used to convert electrical energy into mechanical energy.
9. The potential difference between a live wire and a neutral wire is ——————.
- 100 V
- 280 V
- 220 V
- 0 V
Answer: (c) 220 V
Explanation: The potential difference between a live wire and a neutral wire is 220 V.
10. The force exerted on a current-carrying wire placed in a magnetic field is zero when the angle between the wire and the direction of the magnetic field is ——————.
- 180 degree
- 45 degree
- 90 degree
- 60 degree
Answer: (a) 180 degree
Explanation: We know that sin 180 is 0 and the force exerted on a current-carrying wire that is placed in a magnetic field is zero.
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