The dynamic equalising circuit consists of a series combination of cap – McqOptions

MCQOPTIONS

1.	The dynamic equalising circuit consists of a series combination of capacitor C and resistor RC across each thyristor. This resistance RC (along with parallel connected diode)
A.	limits charging current
B.	limits discharging current
C.	limits both charging and discharging currents
D.	none of the above
Answer» C. limits both charging and discharging currents

Discussion

No Comment Found

Related MCQs

<p><strong>Assertion (A):</strong> An ac regulator uses natural commutation</p> <p><strong>Reason (R):</strong> An ac regulator can be used for static on load tap changing of transformer.</p>
<p>A 3 phase induction motor is controlled by voltage and frequency control such that the ratio V/<em>f</em> is constant. At 50 Hz, the starting torque is 100 N-m. At 25 Hz, the starting torque</p>
<p><strong>Assertion (A):</strong> SUS is a PUT and avalanche diode connected between gate and cathode</p> <p><strong>Reason (R):</strong> SBS has two SUS inbuilt together and connected in anti-parallel</p>
<p><strong>Assertion (A):</strong> A GTO can be turned on and turned off by gate pulses</p> <p><strong>Reason (R):</strong> A GTO can be turned off by negative gate pulse.</p>
<p><strong>Assertion (A):</strong> The turn on time of SCR is about 1 to 4 ms.</p> <p><strong>Reason (R):</strong> The turn off time of SCR is about 10 to 300 ms.</p>
<p>In a thyristor the gate lead is connected to the <em>n</em> layer near the <em>p</em> layer to which anode is connected.</p>
<p>Which of the following are included in the architecture of computer?</p> <p>1.Addressing mode, design of CPU</p> <p>2.Instruction set, data format</p> <p>3.Secondary memory, operating system</p> <p>Select the correct answer using the codes given below:</p>
<p>In a single phase full wave ac regulator feeding R-L load, the gate pulses</p>
<p>In a fully controlled bridge converter feeding a resistive load the waveshapes of output voltage and output current</p>
<p><strong>Assertion (A):</strong> When an SCR is conducting, the voltage drop across is about 1 V.</p> <p><strong>Reason (R):</strong> When an SCR is conducting, the junction temperature is about 200 C.</p>