Current Electricity and Electrical InstrumentHard
Question
Length of a potentiometer wire is kept more and uniform to achive : -
Options
A.uniform and more potential gradient
B.non-uniform and more potential gradient
C.uniform and less potential gradient
D.non-uniform and less potential gradient
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
In an electric circuit containing a battery, the positive charge inside the battery...In the circuit shown in figure....A piece of copper and another of germanium are cooled from room temperature to 80 K. The resistance of :...The variation of current (I) and voltage (V) is as shown in figure. The variation of power P with current I is best show...The temperature coefficient of resistance of a wire is 0.00125 per degree celcius. At 300 K its resistance is 1 ohm. The...