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CBSE Class 10 Answered

what is galvanometer?
Asked by | 14 Jul, 2008, 02:08: PM
answered-by-expert Expert Answer

A galvanometer is a type of ammeter; an instrument for detecting and measuring electric current. It is an analog electromechanical transducer that produces a rotary deflection, through a limited arc, in response to electric current flowing through its coil

Answered by | 15 Jul, 2008, 10:31: PM

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CBSE 10 - Physics
write ohm's law for electric circuit. Also write the necessary formula for this .
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CBSE 10 - Physics
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the resistance of a wire of 0.01 cm radius is 10 ohm.if the resistivity of the material of the wire is 50*10^-8 ohm meter find the length of the wire
Asked by prassanna.j | 03 Sep, 2023, 12:28: PM
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CBSE 10 - Physics
Nichrome wire of length L and radius R has resistance 10 ohm.How would the resistance of the wire change when: only diameter of the wire is doubled?Justify 
Asked by prassanna.j | 03 Sep, 2023, 12:21: PM
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CBSE 10 - Physics
The resistance of a resistor is kept constant and the potential difference across its two ends is decreased to half of its former value.State the change that will occur in the current through it.
Asked by prassanna.j | 03 Sep, 2023, 12:13: PM
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CBSE 10 - Physics
A given length of a wire is doubled of itself and this process is repeated once again.By what factor does the resistance of the wire changes?
Asked by prassanna.j | 03 Sep, 2023, 12:11: PM
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