- A1 + 0 = 1
- B0 + 1 = 1
- C1 + 1 = 1
- D0 + 0 = 1
Explanation:
In the Boolean algebra, binary addition is given as:
1 + 0 = 1
0 + 1= 1
1 + 1 = 1
Hence, 0 + 0 =1 is wrong.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
A battery is charged at a potential of 15 V for 8 hours when the current flowing is 10 A. The battery on discharge supplies a current of 5 A for 15 hours. The mean terminal voltage during discharge is 14 V. The "Watt-hour" efficiency of the battery is
|
(a) 82.5% |
(b) 80 % |
(c) 90% |
(d) 87.5% |
The equivalent resistance of the following diagram A and B is
|
(a) |
(b) 9 W |
(c) 6 W |
(d) None of these |
Mixed
and
ions (mass of
and that of
beam passes a region of constant perpendicular magnetic field. If kinetic energy of all the ions is same then
|
(a) |
|
(b) |
|
(c) All the ions will be deflected equally |
|
(d) No ions will be deflected |
Assertion : The resistivity of a semiconductor increases with temperature.
Reason : The atoms of a semiconductor vibrate with larger amplitude at higher temperature there by increasing it's resistivity.
|
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
|
(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
|
(c) If assertion is true but reason is false. |
|
(d) If the assertion and reason both are false. |
Two capacitors of capacitances 3 μF and 6 μF are charged to a potential of 12 V each. They are now connected to each other, with the positive plate of each joined to the negative plate of the other. The potential difference across each will be
|
(a) 6 volt |
(b) 4 volt |
(c) 3 volt |
(d) Zero |