QoW#7: DC Compound motor

QoW#7: A cumulative compound long shunt dc motor is driving a load at rated torque and rated speed. If the series field is shunted by a resistance equal to the resistance of the series field, keeping the torque constant, the armature current ………………… and speed ……………… . (increases, decreases, remain same) Advertisements

QoW#5: Cause of error in transistor?

5. In the transistor circuit shown in figure, collector to ground voltage is +20 V. Which of the following is the possible cause of error? a. Collector-emitter terminals shorted b. Emitter to ground connection open c. 10 kΩ resistor open d. Collector-base terminals shorted

QoW#3: No. of Cycles in CRO

3. A CRO has ten divisions on the horizontal scale. If a voltage signal 5 sin (314 t + 45°) is examined with a line base setting of 5 msec/div, the number of cycles of signal displayed on the screen will be ……………………… .