Jamb Physics 1982 Past Questions and Answers

Question 41:

• JAMB 1982

what is the resultant capacity of the circuit

A. 1.5µF
B. 18.0µF
C. 6.0µF
D. 6.8µF
E. 8.83µF

Question 42:

• JAMB 1982

what is the resultant resistance in the circuit given above

A. 11Ω
B. 8Ω
C. 4Ω
D. 3.6Ω
E. 4.3Ω

Question 43:

• JAMB 1982

a body is acted upon by forces applied at points P and Q as shown above their resultant is equal to

A. 2√5N in adirection N 56◦ E
B. 2√5N in adirection N 56◦ W
C. 2√13N in adirection N 56◦ E
D. 2√13N in adirection N 56◦ W
E. √10N in adirection N 56◦ E

Question 44:

• JAMB 1982

A Uniform beam PQ of mass 20kg and length 5m is balanced as shown above, a man of weight 800N stands at M such that QM = 2m. The reaction at P and Q respectively are(take g = 10ms^-2)

A. 300N and 500N
B. 420N and 580N
C. 220N and 380N
D. 580N and 420N
E. 382N and 220N

Question 45:

• JAMB 1982

The value of the series resistor required to convert the above galvanometer into a voltmeter with a full range deflection of 15V is

A. 985 ohms
B. 990 ohms
C. 995 ohms
D. 1000 ohms
E. 1005 ohms