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Title: solar cell experiment viva questions with answers pdf
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Posted By: amrutakkur1986
Created at: Thursday 17th of August 2017 05:34:25 AM
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Question 71Back to Top
Question: List the uses of solar cells.

Answer: A Solar cells or solar cell panels are used in:
1) Artificial satellites and in space probes like Mars orbiters
2) Wireless transmission systems or TV relay stations in remote locations
3) Traffic signals, calculators and in toys

Question 72Ba ....etc

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Title: question for physics practical sonometer viva
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Posted By: powerdude143
Created at: Thursday 17th of August 2017 08:45:45 AM
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Physicslab Sonometer Viva Questions
01. What is the principle involved in Sonometer experiment?
Ans: Resonance
02. Which type of waves are produced in Sonometer experiment?
Ans: Stationary Transverse waves
03. What are transverse waves?
Ans: If the vibrations of the particles are perpendicular to the propagation of the wave, those waves are said to be transverse waves.
04. Which type of transformer is used in sonometer experiment and what is it?
Ans: Step down transformer. It is a device, which converts high voltage currents to low volt ....etc

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Title: viva questions on frequency of ac mains experiment
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Posted By: naisam sayed
Created at: Thursday 05th of October 2017 04:09:25 AM
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Q.1: What is meant by electric current?
Ans. The flow of electrons.

Q.2: What are A.C. and D.C. currents?
Ans. Alternating current (A.C.) changes its direction with a definite frequency. The direct current (D.C.) flows in one direction only.

Q.3: What is meant by frequency?
Ans. Number of vibrations per sec.

Q.4: What is the frequency of A.C. in Nepal?
Ans. 50 cycles/s.

Q.5: What types of waves are produced in the thread?
Ans. Transverse stationary waves.

Q.6: What kind of vibrations are produced in the thread?
Ans. Forced ....etc

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Title: matlab code to find the natural frequency of cantilever beam
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Title: frequency of ac mains using sonometer theory
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Posted By: navita24
Created at: Thursday 05th of October 2017 03:50:40 AM
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Our Objective:

To determine the frequency of alternating current using a sonometer.

The Theory:

A sonometer is an apparatus used to study the transverse vibrations of stretched strings. It is in the form of a hollow wooden rectangular box. On the wooden rectangular box there are two bridges and a pulley at one end. A wire string is attached to one end of the wooden box, run over the bridges and pulley and carries a weight hanger at the free end

A sonometer is used to determine the frequency of alternating current. A step down transformer ....etc

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Title: sonometer experiment frequency of ac mains viva answers
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Posted By: vasavi
Created at: Thursday 05th of October 2017 04:18:51 AM
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I can't get my sonometer readings ..pls give me a readings pls pls help me ....etc

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Title: circuit diagram for find ac mains frequency using sonometer electromagnet
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Posted By: priya
Created at: Thursday 05th of October 2017 04:03:56 AM
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A sound level meter is a hollow wodden box used in the laboratory to study the transverse vibrations of the string. It is also called monochord because it often has only one sequence. In the rectangular box of wood there are two fixed bridges, near the ends, and at one end there is a pulley. A rope, often a steel wire is attached at one end over the bridges and pulley, and attached to a weight support that hangs below the pulley. Weights may be added to the support to cause tension in the wire, and a third movable bridge may be placed below it ....etc

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Title: viva questions for vi characteristics for pn junction diode experiment
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Title: sonometer experiment readings
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Posted By: praseeda k c
Created at: Thursday 17th of August 2017 04:55:53 AM
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Materials Required: A Resistance wire, voltmeter, ammeter, battery, rheostat, meter scale, one way key, connecting wires etc.

Theory: If I be the current flowing through a conductor & V be the potential difference across its ends, then according to Ohm s law
V I
or V = RI
Where, R is the constant of proportionality. It is known as resistance of the conductor.
V/I=R
R depends upon the nature of material, temperature & dimensions of the conductor.

Procedure:
1. Clean the ends of the connecting wires with the help of sand p ....etc

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Title: to determine the frequency of a c mains using sonometer and electromagnet viva ques
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Posted By: sailesh
Created at: Thursday 05th of October 2017 05:27:58 AM
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