Bissoy.com
Doctors Medicines MCQs Q&A

What is the full form of SCR?

What is the full form of SCR? Correct Answer Silicon controlled rectifier

SCR stands for Silicon controlled rectifier. It is a unidirectional device and has 4 layers of semiconductors fused together. The current through it flows in one direction only.

Related Questions

Consider the following statements: 1. In a silicon controlled rectifier (SCR), if the cathode gate is reverse-biased, then the SCR cannot fire at all. 2. The turn-on time of an SCR increases with temperature. 3. After an SCR is turned on, it can be made to turn off again by reverse biasing the gate. 4. Gate recovery time is the minimum time that the anode voltage must be maintained below holding voltage VH to turn off the SCR. Which of these statements are correct?
A 220 1-ϕ, 220 Ω  resistor is connected in series with the gate of an SCR as shown in the given figure. The gate current required to fire the SCR is 7 mA. what is the input voltage (Vin) required to fire the SCR?
A voltage source Vs = Vm sinωt is connected in series with a resistance R and an SCR. At some firing angle delay of α a positive gate pulse is applied to the SCR which turns on the SCR. Considering ideal conditions, at the instant α the voltage at the resistor terminals Vo
Which three statements are true about the operation of a full-duplex Ethernet network?
1. There are no collisions in full-duplex mode.
2. A dedicated switch port is required for each full-duplex node.
3. Ethernet hub ports are preconfigured for full-duplex mode.
4. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.
5. The host network card and the switch port must be capable of operating in full-duplex mode.
An SCR has the peak forward voltage = 1000 V. Find the maximum voltage that the SCR can handle if employed in a M-2 type full controlled converter circuit. Use factor of safety (FOS) = 2.5
An SCR has the peak forward voltage = 1000 V. Find the maximum voltage that the SCR can handle if employed in a B-2 type full controlled converter circuit. Use factor of safety (FOS) = 2.5
A single phase full wave mid-point SCR converter, uses a 230/200 V transformer with the centre tap on the secondary side. The P.I.V. per SCR is
The charges for a five-day trip by a tourist bus for one full ticket and a half-ticket are Rs. 1440 inclusive of boarding charges which are same for a full ticket and a half-ticket. The charges for the same trip for 2 full tickets and one half-ticket inclusive of boarding charges are Rs. 2220. The fare for a half-ticket is 75% of the full ticket. Find the fare and the boarding charges separately for one full ticket.
In a 3-phase converter circuit, during commutation when one SCR in one phase is turned on, turning of an SCR in another phase results is:
Consider the following statements: SCR can be turned on by 1. Applying anode voltage at a sufficiently fast rate 2. Applying sufficiently large anode voltage 3. decreasing the temperature of SCR 4. Applying sufficiently large gate current Which of the above statements are correct?