Related Questions

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
A source has a cosine power pattern that is bidirectional. Given that the directivity of a unidirectional source with cosine power pattern has a directivity of 4, then the directivity of the unidirectional source is:
Statement A: Xylem is multi-directional in nature. Statement B: Phloem is unidirectional in nature.
Select the correct option with reference to Spinoza.
1. Nature as a self-creating reality is known as Natura Naturans.
2. Nature as a self-creating reality is known as Natura Naturata.
3. In its aspect of a creative product, Nature is known as Natura Naturata.
4. In its Static aspect, Nature is known as Natura Naturans.
Which one among the following option is acceptable to Spinoza?
1. Nature as a self-creating reality is known as Natura Naturans.
2. Nature as a self-creating reality is known as Natura Naturata.
3. In its aspect of a creative product, nature is known as Natura Naturata.
4. In its static aspect, nature is known as Natura Naturans.
The turn on time of an SCR with inductive load is 20 µs. The pulse train frequency is 2.5 KHz with a mark/space ratio of 1/10, and then SCR will ______
Latching current for an SCR is 100 mA, DC source of 200 V is also connected from the SCR to the L load. Compute the minimum width of the gate pulse required to turn on the device. Take L = 0.2 H.
From the two transistor (T1 & T2) analogy of SCR, the total anode current of SCR is ___________ in the equivalent circuit.
Latching current for an SCR is 100 mA, a dc source of 200 V is also connected to the SCR which is supplying an R-L load. Compute the minimum width of the gate pulse required to turn on the device. Take L = 0.2 H & R = 20 ohm both in series.
For a SCR the maximum rms on-state current is 35 A. If the SCR is used in a resistive circuit for a rectangular wave with conduction angle of 90°. Calculate the average & rms currents respectively.