Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 4 Ω. 40 Ω. 400 Ω. 800 Ω. 4 Ω. 40 Ω. 400 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as rise time. fall time. decay time. run time. rise time. fall time. decay time. run time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is 2C Farad. 16C Farad. 4C Farad. C Farad. 2C Farad. 16C Farad. 4C Farad. C Farad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the network shown in figure, the value of current through 8Ω resistor is 2.4 A. 1.5 A. 1.2 A. 4.8 A. 2.4 A. 1.5 A. 1.2 A. 4.8 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit. 6.98. - 6.28. 9.59. - 9.59. 6.98. - 6.28. 9.59. - 9.59. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Voltage magnification will occur in which of the following case? Parallel resonance None of these Series resonance Both Parallel resonance None of these Series resonance Both ANSWER DOWNLOAD EXAMIANS APP
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