- ANOT
- BNOR
- CNAN
- DXOR
Explanation:
Only one logic gate has one input terminal i.e. NOT gate.
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Biological importance of Ozone layer is
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(a) It stops ultraviolet rays |
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(b) Ozone rays reduce green house effect |
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(c) Ozone layer reflects radio waves |
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(d) Ozone layer controls |
Which one of the following statements is true
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(a) An object situated at the principle focus of a concave lens will have its image formed at infinity |
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(b) Concave mirror can give diminished virtual image |
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(c) Given a point source of light, a convex mirror can produce a parallel beam of light |
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(d) The virtual image formed in a plane mirror can be photographed |
For the transistor circuit shown below, if b = 100, voltage drop between emitter and base is 0.7 V then value of VCE will be
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(a) 10 V |
(b) 5 V |
(c) 13 V |
(d) 0 V |