10th Class Science MCQs

Chapter 10 Magnetic Effects of Electric Current

Topics: In the chapter Magnetic effects of Electric Current we have make the online quiz based on the following topics thermal effect of current, magnetic effect of current, direction of magnetic field, magnetic field and field lines, electro magnetic induction, electric generator.

Quiz Physics 10th

2302

Q. 1. Electric motor converts:
	Mechanical energy into electrical energy.
	Mechanical energy into heat
	Electrical energy into heat energy
	Electrical energy into mechanical energy

2300

Q. 2. The instrument used to measure potential difference is:
	ammeter
	barometer
	thermometer
	voltmeter

2299

Q. 3. The direction of induced current can be determined by:
	Fleming's right hand rule
	Fleming's left hand rule
	Right hand thumb rule
	None of the above

2309

Q. 4. The moving part in an electric motor is:
	armature
	permanent magnet
	split ring
	carbon brush

2295

Q. 5. The device used for producing electric current is called a
	motor
	galvanometer
	ammeter
	generator

2294

Q. 6. At the time of short circuit, the current in the circuit .......
	reduces substantially
	does not change
	increases heavily
	vary continuously

2298

Q. 7. ...... showed that electricity and magnetism are related phenomena.
	Flemming
	Kelvin
	Ampere
	Oersted

2297

Q. 8. Laws of Electromagnetic Induction and Electrolysis are given by:
	Micheal Faraday
	Oersted
	Flemming
	Humphry Davy

2304

Q. 9. Electric generator converts:
	Electrical energy into mechanical energy
	Mechanical energy energy into heat
	Electrical energy into chemical energy
	Mechanical energy into electrical energy

2305

Q. 10. The phenomenon of electromagnetic induction is the process of:
	charging a sphere
	magnetic field in a solenoid
	producing cooling effect
	inducing current due to relative motion in a coil and

Magnetic Effect of Current:

When electric current is passed through a conductor then magnetic field is produced around the conductor. This effect is called magnetic effect of current

Magnetic Flux:

Number of magnetic lines of force passing through a surface, kept in a magnetic field, is called magnetic flux associated with that surface.

Electric generator is a device that transforms mechanical energy to electrical energy. It is based on the concept of electromagnetic induction. Generators are of two types.

(i) Alternating current generator (ii) Direct current generator