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Test: Van De Graaff Generator (NCERT) - NEET MCQ


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5 Questions MCQ Test NCERTs at Fingertips: Textbooks, Tests & Solutions - Test: Van De Graaff Generator (NCERT)

Test: Van De Graaff Generator (NCERT) for NEET 2024 is part of NCERTs at Fingertips: Textbooks, Tests & Solutions preparation. The Test: Van De Graaff Generator (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Van De Graaff Generator (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Van De Graaff Generator (NCERT) below.
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Test: Van De Graaff Generator (NCERT) - Question 1

Van de Graaff generator is used to

Detailed Solution for Test: Van De Graaff Generator (NCERT) - Question 1

Van de Graff generator- is an electrostatic generator which is devised to produce very high voltage by means of an endless belt collecting electrostatic charge from a source and transferring it to a large isolated metal sphere on which a large change accumulates.

Test: Van De Graaff Generator (NCERT) - Question 2

Which of the following statements is/are true about the principle of Van de Graaff generator?

Detailed Solution for Test: Van De Graaff Generator (NCERT) - Question 2

Van de Graff generator- is an electrostatic generator which is devised to produce very high voltage by means of an endless belt collecting electrostatic charge from a source and transferring it to a large isolated metal sphere on which a large change accumulates.

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Test: Van De Graaff Generator (NCERT) - Question 3

Who established the fact of animal electricity?

Detailed Solution for Test: Van De Graaff Generator (NCERT) - Question 3

The Italian physicist, professor at Pavia, Count Alessandro Volta established that the animal electricity observed by Luigi Galvani in experiments with frog muscle tissue placed in contact with dissimilar metals, was not due to any exceptional property of animal tissues but was also generated whenever any wet body was sandwitched between dissimilar metals.

Test: Van De Graaff Generator (NCERT) - Question 4

In case of a Van de Graaff generator, the breakdown field of air is

Detailed Solution for Test: Van De Graaff Generator (NCERT) - Question 4

Although air is normally an insulator but at a sufficient high voltage, it ionises and become partially conducting.
The electric field at which it occurs is called breakdown field of air and is nearly equal to 3 × 106V/m-1

Test: Van De Graaff Generator (NCERT) - Question 5

In a Van de Graaff type generator, a spherical metal shell is to be 15 × 106 V electrode. The dielectric strength of the gas surrounding the electrode is 5 × 107 Vm−1. The minimum radius of the spherical shell required is

Detailed Solution for Test: Van De Graaff Generator (NCERT) - Question 5

Here, V = 15 × 106 V, dielectric strength
= 5 x 107 V m-1
Maximum electric field, E = 10% of dielectric strength

As E = V/r

= 3 m

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