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How many minimum thyristors are required to make a TRIAC (Triode alternating current)?
How many terminals does a TRIAC (Triode alternating current) have?
How many layers of semiconductor does a TRIAC (Triode alternating current) have?
TRIAC (Triode alternating current) is unipolar device.
A TRIAC (Triode alternating current) cannot perform switching action on DC voltage.
TRIAC (Triode alternating current) is a bi-directional switching device.
Below stated are some of the statements about the Alternating current. You need to identify which of the following is incorrect, 1. DC power is far more powerful than AC power. The efficiency and power to size characteristics of DC motors and apparatuses are increased. Lighting by DC (LED) is 75% more efficient than lighting from incandescence. 2. A comparatively high voltage alternating current may be generated and easily raised and dropped by the static equipment known as the transformer, which makes electrical energy transmission and distribution economical, 3. Initial costs and maintenance of the AC motor are less expensive since it has no switch and is less powerful than the DC motor for constant working speed, hence it is desired to create power as alternating current. 4. The great efficiency of transmission in ac makes electric power generation cost-effective, Produced in huge quantities in one station and distributed throughout a vast area.
Which of the following statements are true/false?
1. A minimum rate of wages for the time spent by employees for the production of output is minimum time rate.
2. Minimum piece rate is the rate based on the quantity of the output employees have produced.
3. The guaranteed time rate is a minimum rate of remuneration to apply in the case of employees employed on piece work for the purpose of securing to such employees a minimum rate of wages on a time work basis.
4. A minimum rate of remuneration to apply in the case of employees employed on piece work for the purpose of securing to such employees a minimum rate of wages on a time work basis is overtime rate.
Which one of the devices changes low voltage alternating current to high voltage alternating current and vice versa?
Which one of the following devices changes low voltage alternating current to high voltage alternating current and vice-versa?