Advertisements
Advertisements
प्रश्न
Tick(✓) the correct choice in the following:
Ohm's law is applicable to
पर्याय
Discharge of electricity through gases
Diode value
All metallic conductors
Carbon compounds
Advertisements
उत्तर
All metallic conductors
APPEARS IN
संबंधित प्रश्न
What will be the change in the current if the potential difference is kept constant and the resistance of the circuit is made four times?
- It will remain unchanged.
- It will become four times.
- It will become one-fourth.
- It will become half.
A low voltage supply from which one needs high currents must have very low internal resistance. Why?
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
State Ohm’s law and draw a neat labelled circuit diagram containing a battery, a key, a voltmeter, an ammeter, a rheostat and an unknown resistance to verify it.
A wire has a length of 2.0 m and a resistance of 5.0 Ω. Find the electric field existing inside the wire if it carries a current of 10 A.
What are non-ohmic conductors? Give one exmaple. Draw a current-voltage graph for a non-ohmic conductor.
Explain the equivalent resistance of a parallel resistor network.
Which of the following I-V graph represents ohmic conductors?
Calculate the total resistance of the circuit and find the total current in the circuit.
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?
