ESE EC 2018 Achiever Study Plan: Basic Electrical Quiz 2

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Question 1

Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:

Statement (I): The coupling between two magnetically coupled coils is said to be ideal if the coefficient of coupling is unity.
Statement (II): Lower the self-inductance of a coil, more will be the e.m.f. induced.

• ABoth Statement(I) and Statement(II) are individually true and Statement (II) is the correct explanation of Statement(I)
• BBoth Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)
• CStatement (I) is true but Statement (II) is false.
• DStatement (I) is false but Statement (II) is true.

Question 2

Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:

Statement (I): The direction of dynamically induced e.m.f. in a conductor is determined by Fleming’s lefthand rule.
Statement (II): The mutual inductance between two magnetically isolated coils is zero.

• ABoth Statement(I) and Statement(II) are individually true and Statement (II) is the correct explanation of Statement(I)
• BBoth Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)
• CStatement (I) is true but Statement (II) is false.
• DStatement (I) is false but Statement (II) is true.

Question 3

Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:

Statement (I): Elements with non-minimum phase transfer functions introduce large phase lags with increasing frequency resulting in complex compensation problems.
Statement (II): Transportation lag commonly encountered in process control systems is a non-minimum phase element.

• ABoth Statement(I) and Statement(II) are individually true and Statement (II) is the correct explanation of Statement(I)
• BBoth Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)
• CStatement (I) is true but Statement (II) is false.
• DStatement (I) is false but Statement (II) is true.

Question 4

Find the value of current I in the circuit?

• A-0.286 mA
• B2 mA
• C0.35 mA
• D-2.06 mA

Question 5

In a current and voltage versus time waveform, which among the following acts as pure resistive waveform?

• A
• B
• C
• Dnone of these

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