12th Class Physics MCQS Chapter 5

12th Class Physics MCQS
Image Courtesy By Freepik
Ads by Google Adsense

Respected members,
12th Class Physics MCQS Available Here. In this pages your can get 12th Class Physics MCQS with Answers.
You can read and practice, 12th Class Physics MCQSon Different Topic,
We make Online question bank with the help of experienced teachers and subject specialists.

FG Study / Quiz is also very useful website for online Quiz and Test sessions. Where FG STUDY Team Design and Develop large Database and Content Management System for the quizzes. We provide wide scale online quiz System for various educational and professional examination. If you are interested please visit our site FG Study Quiz

Remember That The FG STUDY Team Always provide unique and useful content for students. If you have any question or problem do not hesitate to contact us, we will be happy to reply, Thanks


Vrms =
0.7V?
0.007V?
0.07V?
0.75V?

The main reason for world wide use of A.C is because:
It is very high power 
It can be transmitted over long distance
It is cheaper to use
ALl of above

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?
4 times
2 times
1/4 times
8 times

In purely resistive A.C circuit, instantaneous value of voltage and current:
Current leads voltage by ?/2
Current lags behind voltage
Both are in Phase
Voltage leads current by Pase ?=?/2

Unit of impedance is:
Ohm-1
Ohm m-1
Ohm
no unit

The phase difference between the current and voltage at resonce is:
0
?/2
?
?/4

In case of capacitor, the unit of reactance is
Newton
Ohm
All of these
Farad

The electromagnetic spectrum contains
Radio waves
Microwaves
All of these
X-rays

The combined effect of resistance and reactance in circuit is called:
Capacitance
None of above
Impedance
Inductance

Impedance is denoted by:
Q
P
Z

Continue Reading Go to Next Page

Ads by Google Adsense