# Inductive Transducer

This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Inductive Transducer”.

1. Mutual inductance between two coils is given as _________

a) M = kL1L2−−−−√

b) M = kL1−−√

c) M = kL2−−√

d) M = L1L2−−−−√

2. Mutual inductance depends on _________

a) self-inductance

b) self-inductance and coefficient of coupling

c) coefficient of coupling

d) permittivity of air

3. Self-inductance of an inductor is given by ________

a) L = ^{N}⁄_{S}

b) L = ^{1}⁄_{S}

c) L = ^{N2}⁄_{S}

d) L = N^{2}

4. Reluctance of a coil is given by which of the following relation?

a) S = ^{1}⁄_{A}

b) S = ^{1}⁄_{μ}

c) S = ^{a}⁄_{μA}

d) S = ^{1}⁄_{μA}

5. Self-inductance depends on ________

a) permeability

b) permittivity

c) plank’s constant

d) rydberg constant

6. What is the relation between the self-inductance and the reluctance of a coil?

a) directly proportional

b) inversely proportional

c) no relation

d) constant

7. Based on self-inductance of a coil, how many types of inductive transducers are available?

a) 5

b) 10

c) 4

d) 20

8. In an eddy current transducer output depends on the variation in the eddy current.

a) True

b) False

9. An inductive transducer measures the variation in ________

a) reluctance

b) resistance

c) capacitance

d) self-inductance

10. Inductive transducer is used for the measurement of physical quantities.

a) True

b) False