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Current Electricity Quiz 5

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10 Question

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 = 5 Ω5 \ \Omega 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 0.1 Ω0.1 \ \Omega. It is connected to a resistance of 3.9 Ω3.9 \ \Omega. 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