- AElectric current
- BElectric potential
- CElectric field
- DElectric space
Explanation:
The force per unit charge is known as the electric field.
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Carbon, silicon and Germanium atoms have four valence electrons each. Their valence and conduction band are separated by energy band gaps represented by (Eg)C. (Eg)Si and (Eg)Ge respectively. Which one of the following relationship is true in their case
|
(a) ( |
(b) |
(c) |
(d) |
A chain reaction is continuous due to
|
(a) Large mass defect |
|
(b) Large energy |
|
(c) Production of more neutrons in fission |
|
(d) None of these |
In order to increase the angular magnification of a simple microscope, one should increase:
The momentum in mechanics is expressed as m × v. The analogous expression in electricity is
|
(a) I × Q |
(b) I × V |
(c) L × I |
(d) L × Q |
A condenser has a capacity 2μF and is charged to a voltage of 50 V. The energy stored is
|
(a) 25 × 105 Joule |
(b) 25 Joule |
(c) 25 × 10 erg |
(d) 25 × 103 erg |
Order of q/m ratio of proton, α -particle and electron is
|
(a) e > p > α |
(b) p > α > e |
(c) e > α > p |
(d) None of these |
The equivalent capacitance in the circuit between A and B will be
|
(a) 1 μF |
(b) 2 μF |
(c) 3 μF |
(d) |