CameraIcon

SearchIcon

MyQuestionIcon

5

You visited us 5 times! Enjoying our articles? Unlock Full Access!

Electromagnetic Induction

Which one of ...

Question

Which one of the following can produce maximum induced emf?

A

50 ampere dc

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

50 ampere 50 Hz ac

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

50 ampere 500 Hz ac

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

100 ampere dc

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 50 ampere 500 Hz ac
induced emf is $e = L \frac{d i}{d t}$
so with higher frequency $\frac{d i}{d t}$ will be greater.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Alternating current of peak value

(\frac{2}{π})

ampere flows through the primary coil of the transformer. The coefficient of mutual inductance between primary and secondary coil is 1 henry. The peak e.m.f. induced in secondary coil is
(Frequency of a.c. = 50 Hz)

Q. The average e.m.f. induced in a coil in which the current changes from 2 ampere to 4 ampere in 0.05 second is 8 volt.What is the self inductance of the coil?

Q. What will be the equation of alternating current of frequency

75 H z

R M S

20 a m p e r e ?

Q. When 100 volts dc is supplied across a solenoid, a current of 1.0 amperes flows in it. When 100 volts ac is applied across the same coil, the current drops to 0.5 ampere. If the frequency of ac source is 50 Hz, then the impedance and inductance of the solenoid are

Q. Match the following combinations of electrical units with their terms as single unit:

Electrical unit	Single unit
(I) ampere-second	A. coulomb
(II) volt-ampere	B. ohm
(III) volt-ampere $^{- 1}$	C. ampere
(IV) walt/ampere ohm	D. watt
(V) joule / ampere second	E. volt

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Electromagnetic Induction and Electric Generators

PHYSICS

Watch in App

explore_more_icon

Explore more

Electromagnetic Induction

Standard X Physics

Join BYJU'S Learning Program

CrossIcon