MCAT_2021_XII_ELECTROMAGNETIC INDUCTION

A detailed illustration of electromagnetic induction concepts, including generators, transformers, and electric currents flowing through circuits, in a vibrant and educational style.

Electromagnetic Induction Quiz

Test your knowledge of electromagnetic induction with our engaging quiz! With 10 thought-provoking multiple-choice questions, this quiz covers key principles such as motional emf, induced currents, and the workings of generators and transformers.

Perfect for students and enthusiasts alike, you can enhance your understanding of crucial concepts in physics related to electromagnetism. Topics include:

Motional emf
Induced current
AC and DC generators
Transformers
Eddy currents

10 Questions2 MinutesCreated by LearningPhysics202

Motional emf can be increased by:

Increasing the speed of rod

Using the stronger magnetic field

Both

None

Negative sign shows that the direction of _______ is such that it oppose the change it.

Induced emf

Induced current

Induced magnetic induction

None

The direction of induced current is always such as to oppose the change which causes the

Voltage

Current

Emf

None of the above

VsA-1=

Magnetic field

Henry

Potiential difference

AC generator works on the principle of

Henry law

Ohms law

Faraday law of electromagnetic induction

None

DC generator uses

It uses split rings

It uses slip rings

Both

None

Transformer works on the principle of ______________

Self induction

Mutual induction

None of the above

Ohms law

Eddy current cause the energy loss in core due to heat produced in it.

True

False

None of the above

*What is the direction of the current through resistor R when switch S is closed

Right to left

Left to right

Will not move

Infinity

An ideal step down transformer is connected to main supply of 240V. It is desired to operate a 12V, 30W lamp. Find the current in the primary

MCAT_2021_XII_ELECTROMAGNETIC INDUCTION

Electromagnetic Induction Quiz

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