- ✓$\frac{3}{4}$
- B$\frac{1}{\sqrt{2}}$
- C$\sqrt{3} / 2$
- D$\frac{1}{2}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
The nucleus
splits exactly in half in a fission reaction in which two neutrons are released. The resultant nuclei are
|
(a) |
(b) |
(c) |
(d) |
Magnetic induction is a
|
(a) Scalar quantity |
(b) Vector quantity |
(c) Both (a) and (b) |
(d) None of the above |
To make a PN junction conducting
|
(a) The value of forward bias should be more than the barrier potential |
|
(b) The value of forward bias should be less than the barrier potential |
|
(c) The value of reverse bias should be more than the barrier potential |
|
(d) The value of reverse bias should be less than the barrier potential |
The temperature coefficient of resistance for a wire is 0.00125/℃. At 300K its resistance is 1 ohm. The temperature at which the resistance becomes 2 ohm is
|
(a) 1154 K |
(b) 1100 K |
(c) 1400 K |
(d) 1127 K |