Electric Circuits What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons? 20. 39. 38. 19. 20. 39. 38. 19. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be 0.016 Ω. 0.064 Ω. 0.032 Ω. 0.128 Ω. 0.016 Ω. 0.064 Ω. 0.032 Ω. 0.128 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3Ω resistor having 2A current will dissipate the power of 12 W. 8 W. 2 W. 4 W. 12 W. 8 W. 2 W. 4 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10Ω resistor is stretched to increase its length double. Its resistance will now be 5 Ω. 40 Ω. 20 Ω. 10 Ω. 5 Ω. 40 Ω. 20 Ω. 10 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance can be changed manually or by mechanical force. changes with time. changes with voltage. changes with temperature. can be changed manually or by mechanical force. changes with time. changes with voltage. changes with temperature. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is 31.9 V. 45.5 V. 50.5 V. 39.1 V. 31.9 V. 45.5 V. 50.5 V. 39.1 V. ANSWER DOWNLOAD EXAMIANS APP
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