- A$\frac{ Wb }{ A }$
- ✓$\frac{V-s}{A^2}$
- C$\frac{ J }{ A ^2}$
- D$\Omega- s$
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By a monochromatic wave, we mean
|
(a) A single ray |
(b) A single ray of a single colour |
|
(c) Wave having a single wavelength |
(d) Many rays of a single colour |
If a current of 10 A flows in one second through a coil, and the induced e.m.f. is 10 V, then the self-inductance of the coil is
|
(a) |
(b) |
(c) |
(d) 1 H |
Formula for dispersive power is (where symbols have their usual meanings)
|
(a) |
(b) |
(c) |
(d) |
In an adjoining figure are shown three capacitors
and
joined to a battery. The correct condition will be (Symbols have their usual meanings)

|
(a) |
(b) |
|
(c) |
(d) |
A 2 volt battery, a 15 Ω resistor and a potentiometer of 100 cm length, all are connected in series. If the resistance of potentiometer wire is 5 Ω, then the potential gradient of the potentiometer wire is
|
(a) 0.005 V/cm |
(b) 0.05 V/cm |
(c) 0.02 V/cm |
(d) 0.2 V/cm |