Electric Circuits A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance? 30 pF. None of them. 32 pF. 36.6 pF. 30 pF. None of them. 32 pF. 36.6 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0? 40 Watts. 15 Watts. 10 Watts. 20 Watts. 40 Watts. 15 Watts. 10 Watts. 20 Watts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be 3 A. 30 mA. 300 mA. 100 mA. 3 A. 30 mA. 300 mA. 100 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Silver coating is provided for all of above. protective purpose. bearing surfaces. decorative purpose. all of above. protective purpose. bearing surfaces. decorative purpose. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits How many 200W / 220V bulbs connected in series across 220V supply will consume 100W? 2. Not possible. 4. 1. 2. Not possible. 4. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them two in parallel and third in series with this combination. two in series and third in parallel across this combination. all in parallel. all in series. two in parallel and third in series with this combination. two in series and third in parallel across this combination. all in parallel. all in series. ANSWER DOWNLOAD EXAMIANS APP
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