Electronic Principles
What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

844.5 Ohm
3890 Ohm
None of these
1234 Ohm
692.2 Ohm

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The total impedance of a parallel RLC circuit:

always increases as the applied frequency increases
always decreases as the applied frequency increases
is maximum at the resonant frequency
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following phrasers best describes flux density?

The rate of change of the number of lines of magnetic force
The concentration of lines of magnetic force
The force that maintains lines of force
None of these
The opposition to a build-up of magnetic fields

ANSWER DOWNLOAD EXAMIANS APP