Question
What are non-ohmic reistors? Give one example and draw a graph to show its current-voltage relationship.
✓
Answer
The conductors which do not obey Ohm's Law are called non-ohmic resistors. Example: diode valve
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
State two characteristics of a fuse wire.
State two important precautions you should observe while using electricity?
(a) Why is the base of a cooking pan generally made thick?
(b) Why does stone lying in the sum get heated up much more than water lying for the same duration of time?
(b) Why does stone lying in the sum get heated up much more than water lying for the same duration of time?
An electromagnetic wave has a frequency of 500 MHz and a wavelength of 60 cm Calculate the velocity of the wave.
(a) Give one example of forced vibrations.
(b) How is the frequency of a stretched string related to (i) its length, and (ii) its tension?
(b) How is the frequency of a stretched string related to (i) its length, and (ii) its tension?
Explain the principle of producing electricity using the nuclear energy.
What distinguish is the sound from two musical instruments even if they are of the same pitch and same loudness?
Draw ray of light bending towards the normal while passing from air to glass. Label your diagrams.
A man is standing at a distance of 12 m from a cliff. Will he be able to hear a clear echo? Give a reason for your answer.
An object is placed in front of a converging lens and in front of a diverging lens as in fig.
(a)Complete the ray diagram to obtain an image.
(b)Compare the nature of image formed by both the lenses in the above case.
(a)Complete the ray diagram to obtain an image.
(b)Compare the nature of image formed by both the lenses in the above case.