An alternating current or voltage_____________________?
Avaries in magnitude alone
Bchanges its magnitude harmonically and reverses its direction of flow after regularly recurring intervals
Cchanges its direction again and again
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Correct answer
C. changes its direction again and again
Explanation
changes its direction again and again is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Lead
Explanation
Lead is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. displacement from origin changes
Explanation
displacement from origin changes is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Cannot produce torque
Explanation
Cannot produce torque is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Their dot product
Explanation
Their dot product is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. H=gT2/8
Explanation
H=gT2/8 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. ÀKe2/rn
Explanation
ÀKe2/rn is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Inversely proportional to the damping force
Explanation
Inversely proportional to the damping force is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. mean position
Explanation
mean position is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Human body
Explanation
Human body is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.