Electrical Studys

1] What is the relation between the balance equation and the magnitude of input voltage?

a) directly proportional b) independent c) inversely proportional d) depends on the null indicator

2] Accuracy of bridge circuit depends on _________

a) component valuesb) null detector c) voltage source d) current source

3] What happens to the balance condition, if the source and detector are interchanged?

a) increases by a factor of 2b) reduces to half c) remains unchanged d) independent of the type of source and detector

4] The simplest type of bridge used for the measurement of medium resistances is known as _________

a) Kelvin b) Schering c) Anderson d) Wheatstone

5] How is the measurement accuracy in a bridge circuit?

a) high b) low c) medium d) inaccurate

6] The bridge circuit can be used in _________

a) high voltage circuits b) low power circuits c) control circuits d) digital integrated circuits

7] Commonly used D.C. bridges are _________

a) Schering and Anderson b) Maxwell inductance and capacitance c) DeSauty and Wagner d) Wheatstone and Kelvin

8] In control applications, one arm of the bridge circuit contains a _________

a) capacitive element b) resistive element c) inductive element d) impedance element

9] What are the physical parameters that are to be controlled when a bridge is used in control applications?

a) area and volume b) mass and weight c) pressure and temperature d) current and voltage

10] Wheatstone bridge consists of _________

a) 4 resistive arms b) 2 resistive arms c) 6 resistive arms d) 8 resistive arms

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