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6 questions
Select the correct option of the decreasing order of the strength of the field.
2>1>3
3>1>2
2>3>1
1>2>3
In which direction the coil ABCD must be rotating to induce current on the side AB from A to B and on CD is from C to D in the following setup ?
Clockwise
Anticlockwise
In any of the the two
Data insufficient
If a positively charged particle is moving towards east is deflected towards south by a magnetic field. The direction of the magnetic field will be ______________ .
towards north
towards west
upward
downward
Which of the following components forms a difference between DC and AC generators?
Magnet
Coil
Split ring
Carbon Brushes
Choose the correct option after looking at the diagram.
Point 1 and 2 are the north and south pole of the bar magnet respectively
Point 1 and 2 are the south and north pole of the bar magnet respectively
Point 2 is the north pole of the bar magnet but we can't say anything about point 1
Can't be determined as data is insufficient
In India we use AC in our households. How many times does it change its direction in one second?
50 times
2 times
100 times
220 times
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