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प्रश्न
The work done in moving unit positive charge across two points in an electric circuit is a measure of
पर्याय
Potential difference
Resistance
Power
Current
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उत्तर
Potential difference
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संबंधित प्रश्न
In which direction does conventional current flow around a circuit?
Which of the following equation shows the correct relationship between electrical unit?
1A = 1C/s or 1c= 1A/s
If the amount of electric charge passing through a conductor in 10 minutes is 300 C, the current flowing is:
(a) 30 A
(b) 0.3 A
(c) 0.5 A
(d) 5 A
A 5 V battery is connected to two 20 Ω resistors which are joined together in series.
(a) Draw a circuit diagram to represent this. Add an arrow to indicate the direction of conventional current flow in the circuit.
(b) What is the effective resistance of the two resistors?
(c) Calculate the current that flows from the battery?
(d) What is the p.d. across each resistor?
Tick (✓) the correct choice among the following :
In fig .XY is at right angles to the magnetic field. The direction in
which XY should be moved to induce an electron flow in the direction Y to X as indicated by the arrow is
Electrical power P is given by the expression P = (Q × V) ÷ time
(a) What do the symbols Q and V represent?
(b) Express the power P in terms of current and resistance explaining the meanings of symbols used there in.
An electric iron is rated 750 W, 230 V. Calculate the electrical energy consumed by the press in 16 hours.
The power of an electric device is a product of ______ and ______.
