Current Electricity - Jamb Physics Past Questions and Answers

Question 126:

• JAMB 2017

From the diagram above, calculate the total current in the circuit

A. 5.0A
B. 3.7A
C. 4.5A
D. 4.0A

Question 127:

• JAMB 2018

What is the resultant resistance of the circuit in the image shown?


A. 8Ω
B. 11Ω
C. 4Ω
D. 3.6Ω

Question 128:

• JAMB 2018

Which of the following obeys Ohm's law?

A. All metals
B. Diode only
C. All electrolytes
D. Glass

Question 129:

• JAMB 2018

A 40W instrument has a resistance 90 Ohms. On what voltage should it be operated normally

A. 60V
B. 150V
C. 225V
D. 360V

Question 130:

• JAMB 2018

When a known standard resistor of 2.0 is connected to the 0.0cm end of a metre bridge, the balance point is found to be at 55.0cm

A. 1.10Ω
B. 1.64Ω
C. 2.44Ω
D. 27.50Ω