Question
Which represents NAND gate
|
(a)
|
(b)
|
(c)
|
(d)
|
Which represents NAND gate
|
(a)
|
(b)
|
(c)
|
(d)
|
(a)
![]()
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Find VAB

|
(a) 10 V |
(b) 20 V |
(c) 30 V |
(d) None of these |
Quantity that remains unchanged in a transformer is
|
(a) Voltage |
(b) Current |
(c) Frequency |
(d) None of the above |
X-rays are produced in laboratory by
|
(a) Radiation |
|
(b) Decomposition of the atom |
|
(c) Bombardment of high energy electron on heavy metal |
|
(d) None of these |
The modulation index of an FM carrier having a carrier swing of 200 kHz and a modulating signal 10 kHz is
|
(a) 5 |
(b) 10 |
(c) 20 |
(d) 25 |
The energy of electron in the nth orbit of hydrogen atom is expressed as
. The shortest and longest wavelength of Lyman series will be
| (a) 910 Å, 1213 Å | (b) 5463 Å, 7858 Å | (c) 1315 Å, 1530 Å | (d) None of these |