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The SITH will act as a diode when the
- a)anode is forward biased with zero gate-cathode voltage
- b)anode is reversed biased with zero gate-cathode voltage
- c)anode is forward biased and a positive gate voltage is applied
- d)anode is forward biased and a negative gate voltage is applied
Correct answer is option 'A'. Can you explain this answer?
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The SITH will act as a diode when thea)anode is forward biased with ze...
Load current flows from anode to cathode as the p+ junction is forward biased.
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The SITH will act as a diode when thea)anode is forward biased with ze...
Explanation:
To understand why option A is the correct answer, let's first discuss what a diode and a SITH (Static Induction Thyristor) are.
Diode:
A diode is a two-terminal electronic component that allows current to flow in only one direction. It has two terminals, an anode and a cathode. When the anode is forward biased (positive voltage applied to anode with respect to the cathode), the diode allows current to flow through it, acting as a closed switch. On the other hand, when the anode is reverse biased (negative voltage applied to anode with respect to the cathode), the diode blocks the current flow, acting as an open switch.
SITH (Static Induction Thyristor):
A SITH is a power semiconductor device that combines the characteristics of a thyristor and a field-effect transistor. It has three terminals, anode, cathode, and gate. The SITH can be used as a power switch in high voltage applications.
Now let's analyze each option to determine which one is correct:
Option A:
When the anode is forward biased with zero gate-cathode voltage, the SITH will act as a diode. This means that current will be able to flow from the anode to the cathode, just like a regular diode. The zero gate-cathode voltage ensures that the gate does not affect the device's behavior, and it behaves solely as a diode.
Option B:
When the anode is reversed biased with zero gate-cathode voltage, the SITH will not act as a diode. It will behave differently from a regular diode and will not allow current to flow in either direction.
Option C:
When the anode is forward biased, and a positive gate voltage is applied, the SITH will not act as a diode. The positive gate voltage will control the device's behavior, and it will operate as a power switch rather than a diode.
Option D:
When the anode is forward biased, and a negative gate voltage is applied, the SITH will not act as a diode. The negative gate voltage will also control the device's behavior, and it will operate as a power switch rather than a diode.
Therefore, the correct answer is option A, where the anode is forward biased with zero gate-cathode voltage. This ensures that the SITH behaves as a diode, allowing current to flow from the anode to the cathode.
To understand why option A is the correct answer, let's first discuss what a diode and a SITH (Static Induction Thyristor) are.
Diode:
A diode is a two-terminal electronic component that allows current to flow in only one direction. It has two terminals, an anode and a cathode. When the anode is forward biased (positive voltage applied to anode with respect to the cathode), the diode allows current to flow through it, acting as a closed switch. On the other hand, when the anode is reverse biased (negative voltage applied to anode with respect to the cathode), the diode blocks the current flow, acting as an open switch.
SITH (Static Induction Thyristor):
A SITH is a power semiconductor device that combines the characteristics of a thyristor and a field-effect transistor. It has three terminals, anode, cathode, and gate. The SITH can be used as a power switch in high voltage applications.
Now let's analyze each option to determine which one is correct:
Option A:
When the anode is forward biased with zero gate-cathode voltage, the SITH will act as a diode. This means that current will be able to flow from the anode to the cathode, just like a regular diode. The zero gate-cathode voltage ensures that the gate does not affect the device's behavior, and it behaves solely as a diode.
Option B:
When the anode is reversed biased with zero gate-cathode voltage, the SITH will not act as a diode. It will behave differently from a regular diode and will not allow current to flow in either direction.
Option C:
When the anode is forward biased, and a positive gate voltage is applied, the SITH will not act as a diode. The positive gate voltage will control the device's behavior, and it will operate as a power switch rather than a diode.
Option D:
When the anode is forward biased, and a negative gate voltage is applied, the SITH will not act as a diode. The negative gate voltage will also control the device's behavior, and it will operate as a power switch rather than a diode.
Therefore, the correct answer is option A, where the anode is forward biased with zero gate-cathode voltage. This ensures that the SITH behaves as a diode, allowing current to flow from the anode to the cathode.
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The SITH will act as a diode when thea)anode is forward biased with zero gate-cathode voltageb)anode is reversed biased with zero gate-cathode voltagec)anode is forward biased and a positive gate voltage is appliedd)anode is forward biased and a negative gate voltage is appliedCorrect answer is option 'A'. Can you explain this answer?
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