In a series R-L-C circuit at resonance...
In a series R-L-C circuit at resonance, impedance is----
maximum
minimum
capacitive
inductive
Correct answer is A
Since the current flowing through a parallel resonance circuit is the product of voltage divided by impedance, at resonance the impedance, Z is at its maximum value.
(Z=R )
When a ray of light passes from water to glass, it is ...
Birds can perch safely on overhead electric power cables without being electrocuted because ...
When two parallel wires carry currents in opposite directions, the force on either wire is ...
Magnetism at the centre of a bar magnet is ...
Which of the following factors affects the speed of sound in air? i. Temperature ii. pressure i...