Electric Circuits Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances? 1.5 Ω and 3 Ω. 3 Ω and 6 Ω. 6 Ω and 9 Ω. 3 Ω and 9 Ω. 1.5 Ω and 3 Ω. 3 Ω and 6 Ω. 6 Ω and 9 Ω. 3 Ω and 9 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Ceq of two capacitors connected in series is given by C1 = C2. C1 C2 / (C1 + C2). C1C2. C1 + C2. C1 = C2. C1 C2 / (C1 + C2). C1C2. C1 + C2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as none of above. flux density. relative permeability. susceptibility. none of above. flux density. relative permeability. susceptibility. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is 5.77. 4.71. 2.36. 1.92. 5.77. 4.71. 2.36. 1.92. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1000 Hz. 1 Hz. 10 Hz. 100 Hz. 1000 Hz. 1 Hz. 10 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Whenever current is supplied by a source its terminal voltage remains constant. increases exponentially. decreases. increases. remains constant. increases exponentially. decreases. increases. ANSWER DOWNLOAD EXAMIANS APP
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