Home
Class 12
PHYSICS
The graph between voltage and current ac...

The graph between voltage and current across a conductor that follows ohm's law is:

A

Parabola

B

Eclipse

C

Straight line

D

Sine-curve

Text Solution

Verified by Experts

The correct Answer is:
C

According to Ohm.s law, V = RI, where R is the resistance of the current carrying conductor.
Promotional Banner

Similar Questions

Explore conceptually related problems

Ohm's law fails in

The graph between the current and the time for an inductance coil is shown below. Which of the following graph show the voltage-time variation-

The relationship between the potential difference and the current in a conductor is stated in the form of a law. What does the slope of V-I graph for a conductor represent?

The relationship between the potential difference and the current in a conductor is stated in the form of a law. Name the law.

The relationship between the potential difference and the current in a conductor is stated in the form of a law. Name the material used for making the connecting wire.

The voltage V and current I v graphs for a conductor at two different temperatures T_(1) and T_(2) are shown in the figure. The relation between T_(1) and T_(2) is

Part (a): name and state the law which relates the potential difference and current in a conductor. What is the necessary condition for a conductor to obey the law named above in part (a)?

Mention the angle between a current carrying conductor and magnetic field for which the force experienced by this current conductor placed field is largest ?

A 1 -k Omega resistor is connected in series with a 10-mH inductor, a 30 V battery and an open switch. At time t= 0 , the switch is suddenly closed. a. What is the maximum current in this circuit and when does it occur? b. What are the voltage drops across the inductor and across the resistor 20 mu s after the switch is closed? c. On a single set of axes, sketch the voltage across the resistor and the voltage across the inductor as functions of time. Also, sketch a graph of the current in the circuit as s function of time.

If V is the potential difference between the ends of conductor and l is the current through it, then ohm's law states that