Advertisements
Advertisements
Question
What is non ohmic device?
Advertisements
Solution
Materials or devices that do not follow Ohm’s law are said to be non-ohmic.
APPEARS IN
RELATED QUESTIONS
Ohm's law gives a relationship between:
(a) current and resistance
(b) resistance and potential difference
(c) potential difference and electric charge
(d) current and potential difference
How should the two resistances of 2 ohms each be connected so as to produce an equivalent resistance of 1 ohm?
The resistors R1, R2, R3 and R4 in the figure given below are all equal in value.
What would you expect the voltmeter A, B and C to read assuming that the connecting wires in the circuit have negligible resistance?
In the circuit shown in the figure, find the total resistance of the circuit and the current in the arm AD.
The ratio of the potential difference to the current is known as ________.
Calculate the total resistance of the circuit and find the total current in the circuit.
A current of 2amp flowing through a conductor produced 80 joule of heat in 10 sec. The resistance of the conductor is:-
What is the resistance of a conductor through which a current of 0.5 A flows when a potential difference of 2V is applied across its ends?
Let the resistance of an electrical device remain constant, while the potential difference across its two ends decreases to one fourth of its initial value. What change will occur in the current through it? State the law which helps us in solving the above stated question.
What is meant by resistance of a conductor ? Define its SI unit.
