- AGauss's law in electrostatics and Gauss's law in magnetism
- BFaraday's law and Ampere' law
- CGauss's law and Ampere's law
- DGauss's law and Faraday's law
Explanation:
Maxwell added the concept of displacement current in AMpere Circuit Law which governs the conduction in the wire of conduction current. After the deviation compass between capacitor Maxwell thought of magnetic lines which would be the result of varying current known as displacement current. So by continuing the displacement in Amperes law, Maxwell was able to show the result of Amperes conduction in circuit moving electrons and also the result of faraday generation of ME waves.
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At noon the sun appears white because:
20 ampere current is flowing in a long straight wire. The intensity of magnetic field at a distance 10 cm from the wire will be
|
(a) 4 × 10–5 Wb/m2 |
(b) 9 × 10–5 Wb/m2 |
(c) 8 × 10–5 Wb/m2 |
(d) 6 × 10–5 Wb/m2 |
The angular momentum of electron in nth orbit is given by
|
(a) nh |
(b) |
(c) n |
(d) |
The transconductance of a triode amplifier is 2.5 mili mho having plate resistance of 20 KW, amplification 10. Find the load resistance
|
(a) 5 kW |
(b) 25 kW |
(c) 20 kW |
(d) 50 kW |
The wavelength of X-rays is
| (a) 2000 Å | (b) 2 Å | (c) 1 mm | (d) 1 cm |
In the middle of the depletion layer of a reverse-biased PN junction, the
|
(a) Potential is zero |
(b) Electric field is zero |
|
(c) Potential is maximum |
(d) Electric field is maximum |