MCQ
When an input signal 1 is applied to a NOT gate, its output is:
- A1
- B0
- Ceither 0 or 1
- Dboth 0 and 1
Explanation:
NOT gate yields the reverse of the input signal in output, thus when an input signal 1 is applied to a NOT gate, its output is 0.
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What causes changes in the colours of the soap or oil films for the given beam of light
|
(a) Angle of incidence |
|
(b) Angle of reflection |
|
(c) Thickness of film |
|
(d) None of these |

Four resistances are connected in a circuit in the given figure. The electric current flowing through 4 ohm and 6 ohm resistance is respectively
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(a) 2 amp and 4 amp |
(b) 1 amp and 2 amp |
|
(c) 1 amp and 1 amp |
(d) 2 amp and 2 amp |