Physics GK Quiz

Q136. In uniform bending, if the breadth of the beam is halved, then the depression of the beam is
(a) halved
(b) unchanged
(c) doubled
(d) quadrupled

Q137. OR gate performs
(a) logical addition
(b) logical multiplication
(c) inversion function
(d) logical division

Q138. Which of the following forms as a part of the binary addition/subtraction circuits
(a) XOR gate
(b) OR gate
(c) AND gate
(d) NAND gate

Q139. How many flip flops are required to build a binary counter that counts from 0 to 1023
(a) 5
(b) 8
(c) 10
(d) 12

Q140. An SCR behaves as a ________ switch
(a) bidirectional
(b) unidirectional
(c) mechanical
(d) non-polar

Q141. The device which senses the bio-signal and converts it into an electrical signal for bio signal processing is called
(a) an electrode
(b) an artifact
(c) a sensor
(d) a transducer

Q142. _____ is a source of microwave
(a) Klystron Oscillator
(b) Nernst Glowbar
(c) Mercury lamp
(d) Sodium lamp

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