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प्रश्न
What is the speed of electric current?
उत्तर
Current travels at the speed of 1/100th times the speed of light 0.0002 m/s.
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संबंधित प्रश्न
Which of the following units could be used to measure electric charge?
(a) ampere
(b) joule
(c) volt
(d) coulomb
A current of 4 A flows around a circuit for 10 s. How much charge flows past a point in the circuit in this time?
If the lamps are both the same in the figure given below and if A1 reads 0.50 A, what do A2, A3, A4 and A5 read?
An electric bulb is rated '100 W, 250 V'. How much current will the bulb draw if connected to a 250 V supply?
A geyser is rated 1500 W, 250 V. This geyser is connected to 250 V mains. Calculate:
- The current drawn,
- The energy consumed in 50 hours, and
- The cost of energy consumed at ₹ 4.20 per kWh.
Answer the following question.
What is the function of a galvanometer in a circuit?
______ is used to measure the electric current.
