Question: An SCR is turned off by _________________?

• 1. Reducing anode voltage to zero
• 2. Reducing gate voltage to zero
• 3. Reverse biasing the gate
• 4. None of the above

Question: The control element of an SCR is ______________?

• 1. Cathode
• 2. Anode
• 3. Anode supply
• 4. Gate

Question: In the normal operation of an SCR, anode is __________ w.r.t. cathode?

• 1. At zero potential
• 2. Negative
• 3. Positive
• 4. None of the above

Question: An SCR behaves as a____________switch?

• 1. Unidirectional
• 2. Bidirectional
• 3. Mechanical
• 4. None of the above

Question: In normal operation of an SCR, gate is _____________w.r.t. cathode?

• 1. Positive
• 2. Negative
• 3. At zero potential
• 4. None of the above

Question: An SCR is sometimes called ____________?

• 1. Triac
• 2. Diac
• 3. Unijunction transistor
• 4. Thyristor

Question: An SCR is a solid state equivalent of ______________?

• 1. Triode
• 2. Pentode
• 3. Gas-filled triode
• 4. Tetrode

Question: An SCR has three terminals viz ________________?

• 1. Cathode, anode, gate
• 2. Anode, cathode, grid
• 3. Anode, cathode, drain
• 4. None of the above

Question: An SCR is made of_______________?

• 1. Germanium
• 2. Silicon
• 3. Carbon
• 4. None of the above

Question: An SCR has ___________semiconductor layers?

• 1. Two
• 2. Three
• 3. Four
• 4. None of the above