Nichrome wire is used in...

Nichrome wire is used in

CFL

electric fuse

hair dryer

MCB

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In a metre bridge experiment, when a nichrome wire is in the right gap, the balancing length is 60 cm. When the nichrome wire is uniformly stretched to increase its length by 20% and again connected in the right gap balancing length is nearly

A V-I graph for a nichrome wire is given below. What do you infer from this graph? Draw a labelled circuit diagram to obtain such a graph.

Explain why nichrome is used instead of pure metals in electric heating equipments such as boiler, toaster etc.

In the electric equipment producing heat e.g. iron, electric heater, boiler, toaster, etc. an alloy such as Nichrome is used, not pure metals.

Calculate the resistance of a 2 m long nichrome wire of radius 0.321 mm. Resistivity of nichrome is 15xx10^(-6) Omega m. If a potential difference of 10 V is applied across this wire, what will be the current in the wire ?

Nichrome wire consists of a nickel-chromium-iron alloy, is commonly used in heating elements such as on a stove, and has conductivity 2.0 xx 10^(6) (Omega.m)^(-1). If a Nichrome wire with a cross-sectional area of 2.3 mm ""^(2)? carries a current of 5.5 A when a 1.4 V potential difference is applied between its ends, what is the wire's length?

One end of a Nichrome wire of length 2L and cross-sectional area A is attatched to an end of another Nichrome wire of length L and cross-sectional area 2A . If the free end of the longer wire is at an electric potential of 8.0 volts, and the free end of the shorter wire is at an electric potential 1.0 volts, the potential at the junction of the two wires is equal to

LAKHMIR SINGH & MANJIT KAUR-Electric Current And its Effects-EXERCISE

When the current is switched on through a wire, a compass needle kept ...
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At the time of short circuit, the current in the circuit :
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The filament of an electric bulb is made of a thin wire of :
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The 'element' of an electric iron is made of
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When electric current is passed through the filament of a bulb, it giv...
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An electric fuse works on the :
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The most suitable material for making the core of an electromagnet is ...
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Circuit Breaker Device which can be used in place of fuse in domestic ...
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Nichrome wire is used in
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In a filament-type bulb, a lot of electric energy is wasted in the for...
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Explain how sound is produced by your school bell ?
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Which of the following characteristic is not suitable for a fuse wire?
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An MCB which cuts off the electricity supply in case of short-circuiti...
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The magnetic effect of electric current was discovered by
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Which of the following does not work on the heating effect of current ...
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State whether the following statements are true or false : A compac...
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Consider the following materials : Copper, Tungsten, Chromium, Alumi...
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Consider the following materials : Copper, Tungsten, Chromium, Alumi...
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In the circuit diagram shown below : Would any of the bulbs glow whe...
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In the circuit diagram shown below : What will be the order in which...
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