Question: In an unregulated power supply, if load current increases, the output voltage _____________?

• 1. Remains the same
• 2. Decreases
• 3. Increases
• 4. None of the above

Question: A power supply which has voltage regulation of ____________ is unregulated power supply?

• 1. 0 %
• 2. 5 %
• 3. 10 %
• 4. 8%

Question: An ideal regulated power supply is one which has voltage regulation of________________?

• 1. 0%
• 2. 5%
• 3. 10%
• 4. 1%

Question: The rupture of co-valent bonds will occur when the electric field is__________________?

• 1. 100 V/cm
• 2. 6 V/cm
• 3. 1000 V/cm
• 4. More than 105 V/cm

Question: When an SCR is turned on, the voltage across it is about _____________?

• 1. Zero
• 2. 10 V
• 3. 1 V
• 4. 1 V

Question: An SCR is a ____________ triggered device?

• 1. Voltage
• 2. Current
• 3. Voltage as well as current
• 4. None of the above

Question: An SCR is made of silicon and not germanium because silicon _________________?

• 1. Is inexpensive
• 2. Is mechanically strong
• 3. Has small leakage current
• 4. Is tetravalent

Question: In an SCR circuit the supply voltage is generally ___________ that of breakover voltage?

• 1. Equal to
• 2. Less than
• 3. Greater than
• 4. None of the above

Question: The normal way to turn on a SCR is by______________?

• 1. Breakover voltage
• 2. Appropriate anode current
• 3. Appropriate gate current
• 4. None of the above

Question: An SCR combines the features of ____________?

• 1. A rectifier and resistance
• 2. A rectifier and transistor
• 3. A rectifier and capacitor
• 4. None of the above