Advertisements
Advertisements
प्रश्न
In which direction does conventional current flow around a circuit?
उत्तर
The direction of conventional current is from the positive terminal of a cell or battery to the negative terminal through the outer circuit.
APPEARS IN
संबंधित प्रश्न
What Makes an Electric Current Flow in a Wire?
A flash of lighting carries 10 C of charge which flows for 0.01 s. What is the current? If the voltage is 10 MV, what is the energy?
If the current through a floodlamp is 5 A, what charge passed in 10 seconds?
(a) 0.5 C
(b) 2 C
(c) 5 C
(d) 50 C
A 720 W heater operates from a 220 V line voltage. Calculate:
(a) The electrical energy consumed by the heater in 3 h.
(b) The cost of electrical energy consumption at the rate of 60 paise per kWh.
Complete the following sentence:
A fuse is a short piece of wire of high ......... and low
Define the following:
Super conductors.
A charge of 80 C flows in a conductor for 2 minutes.
(a) Calculate the current flowing through the conductor.
(b) If the current through a heater is 4 A what charge must be passing in 8 seconds?
State the S.I. units of electrical power.
Study the following circuit and find out:
(i) Current in 12 Ω resistor.
(ii) The difference in the readings of A1 and A2, if any.
