147. For effective turning off of the SCR after the anode current has reached zero value, ______________ a) chargers are injected by applying reverse anode-cathode voltage b) chargers are removed by applying reverse anode-cathode voltage c) chargers are injected by applying gate signal d) chargers are removed by applying gate signal
147. For effective turning off of the SCR after the anode current has reached zero value, ______________ a) chargers are injected by applying reverse anode-cathode voltage b) chargers are removed by applying reverse anode-cathode voltage c) chargers are injected by applying gate signal d) chargers are removed by applying gate signal
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Answer: d
Explanation: As the gate characteristics is a plot of Ig vs Vg consisting of two curves one
for the maximum values & other for the minimum the area between them gives the total
average gate power dissipation. (A very important parameter in designing of the
triggering circuits).