- ADecreasing resistance and increasing inductance
- BDecreasing inductance and increasimg resistance
- CIncreasing both inductance and resistance
- DDecreasing both inductance and resistance
Explanation:
In an AC circuit, power loss can be minimized by decreasing in resistance and by increasing in inductance.
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The distance travelled by light in glass (refractive index =1.5) in a nanosecond will be
|
(a) 45 cm |
(b) 40 cm |
(c) 30 cm |
(d) 20 cm |
(USS 133) Indium impurity in germanium makes
|
(a) N-type |
(b) P-type |
(c) Insulator |
(d) Intrinsic |
The approximate wavelength of a photon of energy 2.48 eV is
|
(a) 500 Å |
(b) 5000 Å |
(c) 2000 Å |
(d) 1000 Å |
A circular coil of radius 5 cm has 500 turns of a wire. The approximate value of the coefficient of self induction of the coil will be
|
(a) 25 millihenry |
(b) 25 |
|
(c) 50 |
(d) 50 |
The fine powder of a coloured glass is seen as
|
(a) Coloured |
(b) White |
|
(c) That of the glass colour |
(d) Black |