Skip to content

Latest NTS MCQs NTDC Test Sample Paper for Junior Engineer Electrical (Solved) Must Prepare Now

103. An open resistor, when checked with an ohm-meter reads
(a)     zero
(b)     infinite
(c) high but within tolerance
(d) low but not zero
Ans: b

104. are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators.
(a)     Varistors
(b)     Thermistor
(c) Semi-conductors
(d) Variable resistors
Ans: c

105. All good conductors have high
(a)     conductance    
(b)     resistance
(c) reluctance
(d) thermal conductivity
Ans: a

106. Voltage dependent resistors are usually made from
(a) charcoal
(b) silicon carbide
(c) nichrome
(d) graphite
Ans: c

107. Voltage dependent resistors are used
(a)     for inductive circuits
(6)     to supress surges
(c) as heating elements
(d) as current stabilizers
Ans: b

108. The ratio of mass of proton to that of electron is nearly
(a) 1840
(b) 1840
(c) 30
(d) 4
Ans: a

109. The number of electrons in the outer most orbit of carbon atom is
(a) 3
(b) 4
(c) 6
(d) 7
Ans: b

Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18