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If the cathode of an SCR is made positive with respect to the anode & no gate current is applied then

If the cathode of an SCR is made positive with respect to the anode & no gate current is applied then Correct Answer only the middle junction is forward biased

The device is in the reverse blocking state (3rd quadrant) & only the middle junction is forward biased whereas other two are reversed biased.

Related Questions

Choose the right option among the alternatives – A thyristor goes into full conduction in its forward direction when anode/cathode/gate is positive with respect to its anode/cathode/gate and a turn-on voltage or current signal in the form of a pulse is given to its anode/ cathode/gate.
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?
তড়িৎ রাসায়নিক কোষের emf = ?i. E° Anode(ox) + E°Cathode (Red) 11. E Cathode(Red) - E°Anode (Red) 111. E° Anode(ox) - E°Cathode (Red) নিচের কোনটি সঠিক?
The anode current through a conducting SCR is 10 A. If its gate current is made one-fourth, then what will be the anode current?
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?
With the anode positive with respect to the cathode & the gate circuit open, the SCR is said to be in the
Consider the following statements regarding Thyristor: 1. It conducts when forward biased and positive current flows through the gate 2. It conducts when forward biased and negative current flows through the gate 3. It commutates when reverse biased and negative current flows through the gate 4. It commutates when the gate current is withdrawn Which of these statement(s) is/are correct?
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