Welcome to your DC Circuits MCQ practice assessment.
Which of the following material has nearly zero temperature coefficient of resistance
In a circuit a 33 ohms resistor carries a current of 2 A. The voltage across the resistor is
The resistance of wire varies inversely as
Which of the following materials has a negative temperature coefficient of resistance?
The curve representing ohm's law is
A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is
The substances which have a large number of free electrons and offer a low resistance are called
The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other ?
With rise in temperature the resistance of pure metals
You have to replace 1500 ohms resistor in radio. You have no 1500 ohms resistor but have several 1000 ohms ones which you would connect
Specific resistance of a material is
Electrical appliances are not connected in series because
Insulating materials have the function of
The property of a conductor due to which it passes current is called
A DC circuit has ___________ as a load
According to Kirchoff’s voltage law,
A resistance having rating 10 ohms, 10 W is likely to be a
One coulomb of charge is equal to the charge of
Two resistors are said to be connected in series when
The purpose of load in an electric circuit is to