Question

A meter bridge cannot be used to determine ____ *

A. resistance of wire
B. specific resistance
C. conductivity
D. e.m.f of a cell​

Answer 1

Answer:

..

Explanation:

metre bridge is not suitable for both very high/low resistances..and the reason is as follows… If we measure too high resistance and the meter deflection is too small, ie, currents are too low. For Too low and you get errors due to the resistance of the wire and the connections.

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Answer 2

Answer:

A meter bridge cannot be used to determine resistance of wire

Explanation:

Meter Bridge:

A meter interface is an electrical contraption using which we can measure the value of dark check. It is made using a meter long wire of uniform cross-region. This wire is either nichrome or manganin or constantan since they offer high resistance and low-temperature coefficient of impediment. A meter platform or Slide wire interface is arranged from a Wheatstone interface. It is the most crucial and valuable usage of a Wheatstone interface.

Principle of a Meter Bridge:

The standard of working of a meter interface is identical to the standard of a Wheatstone interface. A Wheatstone associate relies upon the standard of invalid evasion, for instance exactly when the extent of securities in the two arms is same, no ongoing will travel through the middle arm of the circuit.

To know more about wheatstone bridge visit the links below:

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