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प्रश्न
Tick(✓) the correct choice in the following:
Ohm's law is applicable to
विकल्प
Discharge of electricity through gases
Diode value
All metallic conductors
Carbon compounds
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उत्तर
All metallic conductors
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संबंधित प्रश्न
Name the unit of electrical resistance and give its symbol.
The unit of electrical resistance is:
(a) ampere
(b) volt
(c) coulomb
(d) ohm
How much energy is consumed when a current of 5 amperes flows through the filament (or element) of a heater having resistance of 100 ohms for two hours? Express it in joules.
Rewrite the following statement by selecting the correct option.
The S.I. unit of resistance is __________.
Obtain the macroscopic form of Ohm’s law from its microscopic form and discuss its limitation.
The slope of voltage (V) versus current (I) is called:
A student carries out an experiment and plots the V-I graph of three samples of nichrome wire with resistances R1, R2 and R3 respectively. Which of the following is true?
The heat produced by a 100 w heater in 2 minute is equal to
Consider a current carrying wire (current I) in the shape of a circle. Note that as the current progresses along the wire, the direction of j (current density) changes in an exact manner, while the current I remain unaffected. The agent that is essentially responsible for is ______.
A metal rod of length 10 cm and a rectangular cross-section of 1 cm × `1/2` cm is connected to a battery across opposite faces. The resistance will be ______.
