EASY
12th ICSE
IMPORTANT
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Why is an inductance more appropriate resistance to decrease alternating current?

Important Questions on Alternating Current

EASY
12th ICSE
IMPORTANT
What do you mean by term pass-band?
EASY
12th ICSE
IMPORTANT
Do we require AC or DC for long-distance transmission?
EASY
12th ICSE
IMPORTANT
Why is AC more dangerous than DC of the same voltage?
EASY
12th ICSE
IMPORTANT
The domestic electric supply is 200 V-50 Hz. What the rms and peak values of the voltage?
EASY
12th ICSE
IMPORTANT
What is signal bandwidth?...
EASY
12th ICSE
IMPORTANT
An AC generator generates an voltage V given by V = 311 sin (100 π t) volt. Find the rms value of the voltage generated by the generator. 
MEDIUM
12th ICSE
IMPORTANT
An AC generator generates an emf E where E = 314 sin (50 πn t) volt. Calculate the frequency of the emf E.   
EASY
12th ICSE
IMPORTANT
A 110 V DC heater is used on an AC source such that the heat produced is the same. What is rms value of the alternating voltage?