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# Trigonometric Identities Trivia Questions PDF p. 150

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## Trivia Quiz on Trigonometric Identities

1.

Sin 2a is equals to

sin a.cos a
2 sin a.cos a
sin a. sin a
cos a cos(a+1)

2.

Off-diagonal g-parameters are

measured in Volts
measured in Siemens
measured in Newtons
dimensionless

3.

The circuit that consists of resistors and the equivalent of two energy storage elements is known as

First-Order circuit
Second-Order circuit
Complete circuit
Short circuit

4.

A unity-coupled, lossless transformer in which the primary and secondary coils have infinite self-inductances is called

Air-core transformer
Linear transformer
Primary transformer
Ideal transformer

5.

When the roots of the circuit's characteristic equation are real and equal, the response is

Over damped
Critically damped
Under damped
Zero damped