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प्रश्न
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उत्तर
At constant temperature, if current is plotted against potential difference, the plot will be a straight line making some slope with the x-axis as shown in figure below:
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संबंधित प्रश्न
Which particles constitute the electric current in a metallic conductor?
Using the circuit given below, state which of the following statement is correct?
(a) When S1 and S2 are closed, lamps A and B are lit.22
(b) With S1 open and S2 closed, A is lit and B is not lit.
(c) With S2 open and S1 closed A and B are lit.
(d) With S1 closed and S2 open, lamp A remains lit even if lamp B gets fused.
Tick(✓) the correct choice in the following:
A three pin plug is connected to the lead for a 1 kW electric iron to be
used on a 250 V supply. Which of the following statements is not correct?
60 joules of heat was dissipated in a resistor when 20 C flowed for 5 s. Calculate:
(a) P.d. across the resistor,
(b) Resistance of the resistor, and
(c) Average power dissipated in the resistor.
What should I choose ___________________
b. for getting protection from electric current.
c. to measure the current in the circuit?
Small amounts of electrical current are measured in milliampere (mA). How many milliampere are there in 0.25 A ?
True or False – If False give the correct answer
The representation of the electric current is A
