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संबंधित प्रश्न
What does an electric circuit mean?
Why should the resistance of:
an ammeter be very small?
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.
A battery and three lamps are connected as shown:
Which of the following statements about the currents at X, Y and Z is correct?
(a) The current at Z is greater than that at Y.
(b) The current at Y is greater than that at Z.
(c) The current at X equals the current at Y.
(d) The current at X equals the current at Z.
You can given one hundred 1 Ω resistors. What is the smallest and largest resistance you can make in a circuit using these?
State whether the current is a scalar or vector?
Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply of the energy supplied in kWh to the three heaters in 5 hours.
Problems for practice:
If 5A current flows through a circuit, then convert the current in terms of microampere?
