Ques: Resistivity of a wire depends on
(A) length
(B) material
(C) cross section area
(D) none of the above.
Ans is B
Ques: The equivalent resistance at the points X1 and X2 in the circuit shown below
A) 60 ohm
B) 40ohm
C) 80 ohm
D) 20ohm
Ans is B
Ques: Ampere second could be the unit of
(A) power
(B) conductance
(C) energy
(D) charge
Ans is D
Ques An electric current of 5 A is same as
(A) 5 J / C
(B) 5 V / C
(C) 5 C / sec
(D) 5 w / sec
Ans is C
Ques: A circuit contains two un-equal resistances in parallel
(A) current is same in both
(B) large current flows in larger resistor
(C) potential difference across each is same
(D) smaller resistance has smaller conductance.
Ans is C
Useful Books for Exam Preparation We recommend you to purchase these books for your preparation besides these sample questions as these sample questions won't be enough to qualify these exams.
These are some of the best books we found
4. Electronics Devices and Circuits: Classification of materials in to conductor,semi conductor, Insulator etc, electrical properties, magnetic materials, various types of relays, switches and connectors, Conventional representation of electric and electronic circuits elements. Active and passive components, semi conductor physics, Semiconductor Diode, Bipolar transistor & their circuits, Transistor Biasing Stabilization of operating point; Single stage transistor amplifier, field effect transistor, Mosfet circuits applications.Multistage Transistor Amplifier, Transistor Audio Power Amplifiers, Feedback in Amplifier, Sinusoidal Oscillators. Tuned Voltage Amplifiers, Opto Electronics Devices and their applications, Operational Amplifier, Wave shaping and switching circuits. Block diagram of I.C Timer (such as 555) and its working Motivation circuits,Time Base circuits, Thyristory and UJT, Regulated Power Supply.
Sample Question
Ques-n-type semiconductors are:
(A) Negatively charged
(B) Produced when Indium is added as an impurity to Germanium
(C) Produced when phosphorous is added as an impurity to silicon
(D) None of the above
Ques- In an intrinsic semiconductor, the mobility of electrons in the conduction band is:
(A )Less than the mobility of holes in the valence band
(B) Zero
(C) Greater than the mobility of holes in the valence band
(D) None of the above
Ques-In a negative feedback amplifier, current sampling:
(A) length
(B) material
(C) cross section area
(D) none of the above.
Ans is B
Ques: The equivalent resistance at the points X1 and X2 in the circuit shown below
A) 60 ohm
B) 40ohm
C) 80 ohm
D) 20ohm
Ans is B
Ques: Ampere second could be the unit of
(A) power
(B) conductance
(C) energy
(D) charge
Ans is D
Ques An electric current of 5 A is same as
(A) 5 J / C
(B) 5 V / C
(C) 5 C / sec
(D) 5 w / sec
Ans is C
Ques: A circuit contains two un-equal resistances in parallel
(A) current is same in both
(B) large current flows in larger resistor
(C) potential difference across each is same
(D) smaller resistance has smaller conductance.
Ans is C
Useful Books for Exam Preparation We recommend you to purchase these books for your preparation besides these sample questions as these sample questions won't be enough to qualify these exams.
These are some of the best books we found
4. Electronics Devices and Circuits: Classification of materials in to conductor,semi conductor, Insulator etc, electrical properties, magnetic materials, various types of relays, switches and connectors, Conventional representation of electric and electronic circuits elements. Active and passive components, semi conductor physics, Semiconductor Diode, Bipolar transistor & their circuits, Transistor Biasing Stabilization of operating point; Single stage transistor amplifier, field effect transistor, Mosfet circuits applications.Multistage Transistor Amplifier, Transistor Audio Power Amplifiers, Feedback in Amplifier, Sinusoidal Oscillators. Tuned Voltage Amplifiers, Opto Electronics Devices and their applications, Operational Amplifier, Wave shaping and switching circuits. Block diagram of I.C Timer (such as 555) and its working Motivation circuits,Time Base circuits, Thyristory and UJT, Regulated Power Supply.
Sample Question
Ques-n-type semiconductors are:
(A) Negatively charged
(B) Produced when Indium is added as an impurity to Germanium
(C) Produced when phosphorous is added as an impurity to silicon
(D) None of the above
Ques- In an intrinsic semiconductor, the mobility of electrons in the conduction band is:
(A )Less than the mobility of holes in the valence band
(B) Zero
(C) Greater than the mobility of holes in the valence band
(D) None of the above
Ques-In a negative feedback amplifier, current sampling:
(A) Tends to increase the output resistance
(B) Tends to decrease the output resistance
(C) Does not alter the output resistance
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