Advertisements
Advertisements
प्रश्न
What is non ohmic device?
Advertisements
उत्तर
Materials or devices that do not follow Ohm’s law are said to be non-ohmic.
APPEARS IN
संबंधित प्रश्न
An electrical bulb is marked 200V, 100W. Calculate the electrical resistance of its filament. If five such
bulbs are connected in series to a 200V supply, how much current will flow through them?
Four resistances of 16 ohms each are connected in parallel. Four such combinations are connected in series. What is the total resistance?
In a conductor 6.25 × `10^16` electrons flow from its end A to B in 2 s. Find the current flowing through the conductor (e = 1.6 × `10^-19` C)
Explain the equivalent resistance of a parallel resistor network.
The resistance of a nichrome wire at 0°C is 10Ω. If its temperature coefficient of resistivity of nichrome is 0.004/ °C, find its resistance of the wire at boiling point of water. Comment on the result.
Which of the following is correct for V-I graph of a good conductor?
The slope of voltage (V) versus current (I) is called:
Assertion: The statement of Ohm’s law is K = IR.
Reason: V = IR is the equation which defines resistance.
What is meant by resistance of a conductor ? Define its SI unit.
The resistance of a resistor is reduced to half of its initial value. If other parameters of the electrical circuit remain unaltered, the amount of heat produced in the resistor will become ______.
