When the circuit shown is connected with switch S open, the 6V lamp glows.
What happens to the brightness of the lamp when switch S is closed?

It becomes brighter.
2 )
It remains the same.
3 )
It becomes dimmer.
4 )
It goes off.
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!