MCQ
The SI unit of volume charge density is:
- AC/m.
- BC/m2.
- CC/m3.
- DCm.
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In the Wheatstone's bridge shown, P = 2 Ω, Q = 3Ω, R = 6Ω and S = 8Ω. In order to obtain balance, shunt resistance across 'S' must be
|
(a) 2 Ω |
(b) 3 Ω |
(c) 6 Ω |
(d) 8 Ω |
An electron in the n = 1 orbit of hydrogen atom is bound by 13.6 eV. If a hydrogen atom is in the n = 3 state, how much energy is required to ionize it
|
(a) 13.6 eV |
(b) 4.53 eV |
(c) 3.4 eV |
(d) 1.51 eV |
In the circuit shown here, E1 = E2 = E3 = 2 V and R1 = R2 = 4 ohms. The current flowing between points A and B through battery E2 is
|
(a) Zero |
(b) 2 amp from A to B |
|
(c) 2 amp from B to A |
(d) None of the above |