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? 32 pF. 36.6 pF. None of them. 30 pF. 32 pF. 36.6 pF. None of them. 30 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To obtain a high value of capacitance, the permittivity of dielectric medium should be zero unity low high zero unity low high ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as both option B and C. ratio of resistance versus impedance. cosine of angle between voltage and current. sine of voltage and current. both option B and C. ratio of resistance versus impedance. cosine of angle between voltage and current. sine of voltage and current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The indication of the state of charge of a battery is best given by specific gravity of electrolyte. level of electrolyte. colour of electrolyte. temperature of electrolyte. specific gravity of electrolyte. level of electrolyte. colour of electrolyte. temperature of electrolyte. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following characteristics is/are attributed to an ideal independent voltage source? Independent of the magnitude of voltage supplied. both ‘b’ and ‘d’. Independent of the direction of flow of current. Independent of magnitude of current supplied.. Independent of the magnitude of voltage supplied. both ‘b’ and ‘d’. Independent of the direction of flow of current. Independent of magnitude of current supplied.. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 1.2 k Ω. 7.2 k Ω. 3.6 k Ω. 2.4 k Ω. 1.2 k Ω. 7.2 k Ω. 3.6 k Ω. 2.4 k Ω. ANSWER DOWNLOAD EXAMIANS APP