(A) Increase in temperature
(B) Decrease in temperature
(C) Constant temperature
(D) None of these
Answer: (A) Increase in temperature
The resistance of a conductor increases with an increase in temperature.
Category: Electronics MCQs
In full wave rectification, the number of diodes used are:
(A) One
(B) Two
(C) Three
(D) Four
Answer: (B) Two
The process of converting alternating current (AC) into direct current (DC) is known as:
(A) Rectification
(B) Detection
(C) Oscillation
(D) None of these
Answer: (A) Rectification
The process of converting alternating current (AC) into direct current (DC) is known as rectification.
Maximum power is transferred to load when:
(A) The load impedance is lower than the source equivalent impedance
(B) The load impedance is higher than the source equivalent impedance
(C) The load impedance is equal to the source equivalent impedance
(D) The load impedance is equal to the complex conjugate of the source equivalent impedance
Answer: (D) The load impedance is equal to the complex conjugate of the source equivalent impedance
Chopper control for DC motor provides variation in:
(A) Frequency
(B) In put voltage
(C) Current
(D) None of these
Answer: (B) In put voltage