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Explain with the help of an experiment that sound require material medium for its propagation.

asked Oct 16, 2017 in Physics by shamroz (41.5k points)

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1 answer 400 views

With the help of electroscope how you can find the presence of charge on the body?

asked Oct 19, 2017 in Physics by sonia (36.5k points)

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What is OR gate? Give its symbol and truth tube.

asked Oct 25, 2017 in Physics by sonia (36.5k points)

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What happens when a narrow beam of electrons is passed through a uniform magnetic field?

asked Oct 25, 2017 in Physics by sonia (36.5k points)

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What is the purpose of backup?

asked Oct 27, 2017 in Computer Science by naqash (17.9k points)

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1 answer 89 views

What is Microsof Security Essentals?

asked Oct 27, 2017 in Computer Science by naqash (17.9k points)

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What is a gold leaf electroscope? Discuss* its working principle with a label diagram.

asked Oct 22, 2017 in Physics by shamroz (41.5k points)

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Differentiate between analogue electronic and digital electronics.

asked Oct 25, 2017 in Physics by shamroz (41.5k points)

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Describe the characteristic features of parallel combination of resistors.

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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What should you do to store your password safely?

asked Oct 26, 2017 in Computer Science by naqash (17.9k points)

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1 answer 95 views

What are the means of telecommunication?

asked Oct 26, 2017 in Physics by shamroz (41.5k points)

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1 answer 222 views

What do you mean by electric power? Define its unit

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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What is difference between d.c. and a.c.?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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With the help of electroscope how you can find the presence of charge on the body?

asked Oct 22, 2017 in Physics by shamroz (41.5k points)

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1 answer 168 views

What is NOT gate? Give its symbol and truth table.

asked Oct 25, 2017 in Physics by sonia (36.5k points)

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What is voltmeter? How potential difference across a circuit can be measured?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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Describe how they can be verified graphically?

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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Each capacitor in parallel combination has equal potential difference between its two plates. Justify the statement.

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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What is the function of electromagnetism in television?

asked Oct 25, 2017 in Physics by sonia (36.5k points)

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What is the difference between conductors and insulators?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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