Explore topic-wise MCQs in Engineering Physics Questions and Answers.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.	Calculate the drift velocity of the free electrons with mobility of 3.5×10-3 m2/Vs in copper for an electric field strength of 0.5 V/m.
A.	3.5 m/s
B.	1.75×103 m/s
C.	11.5 m/s
D.	1.75×10-3 m/s
Answer» E.

Discussion

2.	A uniform silver wire has a resistivity of 1.54×10-18 ohm/m at room temperature. For an electric field along the wire of 1 volt/cm. Compute the mobility, assuming that there are 5.8×1028 conduction electrons/m3.
A.	1.54 m2/Vs
B.	6.9973m2/Vs
C.	6.9973×10-3 m2/Vs
D.	0.69973m/s
Answer» D. 0.69973m/s

Discussion

Explore topic-wise MCQs in Engineering Physics Questions and Answers.

Calculate the drift velocity of the free electrons with mobility of 3.5×10-3 m2/Vs in copper for an electric field strength of 0.5 V/m.

A uniform silver wire has a resistivity of 1.54×10-18 ohm/m at room temperature. For an electric field along the wire of 1 volt/cm. Compute the mobility, assuming that there are 5.8×1028 conduction electrons/m3.