
Current Electricity Quiz 5
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Popular Questions In Current Electricity Quiz 5
Thermistors are usually prepared from
On increasing the temperature of a conductor, its resistance increases because
Which of the following is used for the formation of thermistor?
Emf of a cell is 2.2 volt. When resistance R = is connected in series, potential drop across the cell becomes 1.8 volt. Value of internal resistance of the cell is
A strip of copper, another of germanium are cooled from room temperature to 80 K. The resistance of
The terminal voltage of a cell of emf E on short circuiting will be
If a battery of emf 2 V with internal resistance one ohm is connected to an external circuit of resistance R across it, then the terminal p.d. becomes 1.5 V. The value of R is
A hall is used 5 hours a day for 25 days in a month. It has 6 lamps of 100 W each and 4 fans of 150 W. The total energy consumed for the month is
The internal resistance of a cell of emf 2 V is . It is connected to a resistance of . The voltage across the cell will be
The emf of a cell is 12 V. When it sends a current of 1 A through an external resistance, the p.d. across the terminals reduces to 10 V. The internal resistance of the cell is