(A) Bqv
(B) B/qv
(C) Bq/v
(D) zero
Tag: Physics Mcq Questions and Answers
A unit of magnetic induction is:
(A) weber/meter per s
(B) weber/ampere-meter
(C) weber/meter
(D) weber
The resistance of piece of wire is 12Ω. It is bent to form an equilateral triangle. What is the equivalent resistance between any two corners of the triangle?
(A) 1.3Ω
(B) 4.0Ω
(C) 2.0Ω
(D) 2.7Ω
Which combination of several identical resistors each of 2Ω gives rise to the resultant of 10/11Ω:
(A) 5 parallel, 2 series
(B) 3 parallel, 4 series
(C) 4 parallel, 3 series
(D) 2 parallel, 5 series
If a resistor having resistance ‘R’ is cut into three equal parts, then equivalent of parallel combination is:
(A) 0/R
(B) R/9
(C) 3/R
(D) R/3
The electromotive force of a cell or battery is the voltage between its terminals, when:
(A) It is in an open circuit
(B) Its internal resistance is maximum
(C) Its internal resistance is minimum
(D) It gives current to same appliance
Resistance of a conductor depends upon:
(A) The quantity of current passing through it
(B) The voltage applied between its ends
(C) Its dimensions, physical state and nature of material
(D) All of the above
An ideal voltmeter should have resistance:
(A) Infinity
(B) zero
(C) Some resistance
(D) Between zero and infinity