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HSSC ALM (31-12-2023)
📆 November 13, 2024
Total Questions: 100
21.
Capacitance is a ratio of :
(a) Voltage to voltage
(b) Voltage to charge
(c) Charge to voltage
(d) Charge to charge
(e) Unattempted
Correct Answer:
(c) Charge to voltage
22.
The term “Ecosystem” was first coined by:
(a) Sir Arthur G. Tansley
(b) Salim Ali
(c) James Hansen
(d) Rachel Carson
(e) Unattempted
Correct Answer:
(a) Sir Arthur G. Tansley
23.
............ is used to measure the width of wires.
(a) Try square
(b) Mallet
(c) Wire gauge
(d) None of these
(e) Unattempted
Correct Answer:
(c) Wire gauge
24.
The shunt resistance in an ammeter is usually:
(a) less than meter resistance
(b) equal to meter resistance
(c) more than meter resistance
(d) of any value
(e) Unattempted
Correct Answer:
(a) less than meter resistance
25.
The reciprocal of impedance of a circuit is called:
(a) Resistance
(b) Inductance
(c) Capacitance
(d) Admittance
(e) Unattempted
Correct Answer:
(d) Admittance
26.
The seeds of the Internet were planted in:
(a) 1891
(b) 1991
(c) 1969
(d) 1990
(e) Unattempted
Correct Answer:
(c) 1969
27.
The resistance of a lamp is 10 ohms and current through it is 2A. Its power is:
(a) 10 W
(b) 20 W
(c) 30 W
(d) 40 W
(e) Unattempted
Correct Answer:
(d) 40 W
28.
A transformer operates at maximum efficiency when:
(a) Core losses is minimum
(b) Iron losses is minimum
(c) Copper losses is minimum
(d) Copper loss = Iron loss
(e) Unattempted
Correct Answer:
(d) Copper loss = Iron loss
29.
The percentage errors in the measurement of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimation of the kinetic energy obtained by measuring mass and speed?
(a) 1%
(b) 8%
(c) 5%
(d) 1%
(e) Unattempted
Correct Answer:
(b) 8%
30.
When two similarly charged particles are brought near, they try to repel each other while dissimilar charges attract each other. This ability of a charged particle to do the work is called:
(a) Coulomb
(b) Electrical power
(c) Electric potential
(d) Electrical resistance
(e) Unattempted
Correct Answer:
(c) Electric potential
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