Electric Circuits Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be 100 N 400 N 160 N 0.02 N 100 N 400 N 160 N 0.02 N ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 105. 15. 75. 60. 105. 15. 75. 60. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant voltage source has minimum current capacity. minimum efficiency. high internal resistance. low internal resistance. minimum current capacity. minimum efficiency. high internal resistance. low internal resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When water is added to sulphuric acid colour of acid changes. water start boiling. lot of heat is generated. acid particles get separated. colour of acid changes. water start boiling. lot of heat is generated. acid particles get separated. ANSWER DOWNLOAD EXAMIANS APP
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? 36.6 pF. 30 pF. 32 pF. None of them. 36.6 pF. 30 pF. 32 pF. None of them. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are 2.2 Ohm and 2.3 Ohm. 1.25 Ohm and 3.25 Ohm. 2 Ohm and 2.5 Ohm. 1.5 Ohm and 3 Ohm. 2.2 Ohm and 2.3 Ohm. 1.25 Ohm and 3.25 Ohm. 2 Ohm and 2.5 Ohm. 1.5 Ohm and 3 Ohm. ANSWER DOWNLOAD EXAMIANS APP