Advertisements
Advertisements
प्रश्न
Choose from the options a, b, c and d given in Fig. 12.1 the figure which shows the correct direction of current.
पर्याय
उत्तर
Explanation:
In an electric circuit, the direction of current is taken to be from the positive terminal to the negative terminal of the electric cell.
APPEARS IN
संबंधित प्रश्न
Three resistors of resistances R1 , R2 and R3 are connected (i) in series, and (ii) in parallel. Write expressions for the equivalent resistance of the combination in each case.
One unit of coulomb is charge of approximately ______ protons or electrons.
Water can conduct electricity.
Give a reason for the following.
One should not use an umbrella while crossing an open field during thunderstorm.
Electrical resistivity of a given metallic wire depends upon
Boojho made the circuit given in the figure and observed that the bulb did not glow. On Paheli’s suggestion, he added one more cell in the circuit. The bulb now glows. Explain.
Why are compact fluorescent lamps (CFLs) preferred over electric bulbs?
Why is an electric fuse required in all electrical appliances?
A tiny particle that rotates around the nucleus of an atom is ______.
A torch is not functioning, though contact points in the torch are in working condition. What can be the possible reasons for this? Mention any three.
