HSSC ALM (31-12-2023)

Total Questions: 100

21. Capacitance is a ratio of :

Correct Answer: (c) Charge to voltage

22. The term “Ecosystem” was first coined by:

Correct Answer: (a) Sir Arthur G. Tansley

23. ............ is used to measure the width of wires.

Correct Answer: (c) Wire gauge

24. The shunt resistance in an ammeter is usually:

Correct Answer: (a) less than meter resistance

25. The reciprocal of impedance of a circuit is called:

Correct Answer: (d) Admittance

26. The seeds of the Internet were planted in:

Correct Answer: (c) 1969

27. The resistance of a lamp is 10 ohms and current through it is 2A. Its power is:

Correct Answer: (d) 40 W

28. A transformer operates at maximum efficiency when:

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?

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:

Correct Answer: (c) Electric potential