bridges

When a Wheatstone bridge is balanced ideally the current through the galvanometer should be

• 1A

• oA

• 2A

Wheatstone bridge is used to find unknown

• Resistance

• inductance

• capacitance

In an ac bridge the null detector is usually

• Ammeter

• galvanometer

• head phone

The inductive reactance of a coil(XL) is given by the following equation

• XL = 2/(fL)

• XL = 2fL

• XL = (1/2)fL

Maxwell bridge is generally used to measure the unknown

• Resistance

• capacitance

• inductance

When the balance condition is satisfied in an ac bridge the ratio of ______ of the adjoining arms are equal.

• Impedances

• resistances

• reactances

When the balance condition is satisfied in an ac bridge the sum of the ______ of the opposite arms are equal.

• Resistances

• mpedances

• phase angles

When the balance condition is satisfied in an dc bridge the ratio of the ______ of the adjoining arms are equal

• Impedances

• reactances

• resistances

An inductor offers a ____ resistance to the high frequency current flowing through it.

• high

• low

• infinite

The bridge used to compare two resistors

• Wheatstone's bridge

• Carey foster

• Kelvin double bridge