AC Generator

A $220 \mathrm{V}$ dc machine has an armature resistance of $1\mathrm{\Omega }$. If the full load current is $20 \mathrm{A}$, the difference in the induced voltages when the machine is running as a motor, and as a generator is

A $220 \mathrm{V}$ dc machine has an armature resistance of $1\mathrm{\Omega }$. If the full load current is $20 \mathrm{A}$, the difference in the induced voltages when the machine is running as a motor, and as a generator is

The frequency of an a.c. generator depends upon:

When the sine of angle in an electric generator is $0°$, the induced emf is :

 Name any two main parts of an AC generator.

Dynamo is a device used for converting

If frequency of an AC generator is doubled, the maximum value of emf induced in its coil will:

If frequency of an AC generator is doubled, the maximum value of emf induced in its coil will:

What is the principle of working of an AC generator?

Dynamo is a device used for converting,

At which position of the plane of the rotating coil with the direction of magnetic field, the e.m.f. induced in the coil is maximum?

Where was the first atomic power plant established in our country?

Which one of the following is not an advantage of nuclear power plant?

Energy is released in a nuclear power plant due to:

Which of the following is not a part of thermal power plant?

Which of the following statement is not correct for a thermal generator?

Ac generator is based upon the principle of

Cotyledons are also called-

At time $t=0 \mathrm{s}$, voltage of an A.C. Generator starts from $0 \mathrm{V}$ and becomes $2 \mathrm{V}$ at time $t=\frac{1}{100\pi }$ second. The voltage keeps on increasing up $100 \mathrm{V}$, after which it starts to decrease. Find the frequency of the Generator.

The device in which mechanical energy is used to rotate a conductor in a magnetic field to produce electricity is called as