- AEqual-potential surface
- BSame potential surface
- CEqui-magnitude surface
- DEquipotential surface
Explanation:
Equipotential surface is a surface formed by the locus of all the points which are at the same potential. Equipotential surfaces do not intersect with each other and are closely spaced in the region of strong electric fields and vice-versa.
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What will be the colour of sky as seen from the earth, if there were no atmosphere
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(a) Black |
(b) Blue |
(c) Orange |
(d) Red |
Two electric bulbs whose resistances are in the ratio of 1 : 2 are connected in series. The powers dissipated in them have the ratio
|
(a) 1 : 2 |
(b) 2 : 1 |
(c) 1 : 1 |
(d) 1 : 4 |
A gate in which all the inputs must be low to get a high output is called
|
(a) A NAND gate |
(b) An inverter |
(c) A NOR gate |
(d) An AND gate |