Advertisements
Advertisements
Question
What is the speed of electric current?
Solution
Current travels at the speed of 1/100th times the speed of light 0.0002 m/s.
APPEARS IN
RELATED QUESTIONS
Which of the following units could be used to measure electric charge?
(a) ampere
(b) joule
(c) volt
(d) coulomb
A student made an electric circuit shown here to measure the current through two lamps.
Are the lamps in series or parallel?
(a) Are the lamps in series or parallel?
(b) The student has made a mistake in this circuit. What is the mistake?
(c) Draw a circuit diagram to show the correct way to connect the circuit. Use the proper circuit symbols in your diagram.
State the factors on which the strength of electric current flowing in a given conductor depends.
A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω . A steady current of 0.5 A flows through the circuit. Calculate:
The energy dissipated in the bulb in 10 minutes.
Answer the following question.
What is the function of a galvanometer in a circuit?
State the condition when it is advantageous to connect cells in series.
State whether true or false. If false, correct the statement.
Current can produce magnetic field.