29/03/2020D.C Circuits(Senior Class Physics Study by Topics) 0Comments by Gate Academy Welcome to your D.C Circuits(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. Resistors are rated in Watts Amps Joules Volts2. The first step in calculating voltage drops in a series-parallel circuit is to determine The resistance of hte parallel resistors The resisistance of the series resitors Total Current Total Voltage3. In a 30 minute interval, one kilowatt-hour of electrical energy is dissipated in a resistance of 20 ohms by a current of 14.1 A 20 A 10 A 18 A4. Formulae written as V(Q/T) is of acceleration power velocity work done5. The basic measurement of resistance is Ohm Amp Volt Watt6. According to Ohm's law: E=I*R R=E*I E=I/R I=P*E7. What symbol represents power? P R I V8. The power of the battery in resistors appears as power consumption A & C power dissipitation power resistance9. Electrical shock occurs when an individual touches Electrical Components Power Supplies Ground and Circuit Electrical Equipment10. A high‑voltage transmission line carries 1000 A at 700,000 V. What is the maximum power carried in the line? 700 GW 1.43 kw 700 MW 700 kW11. A source delivers 12 V and the current is 777 mA. Then the best expression for the resistance is 9.32 Ω 9.3 Ω 15 Ω 15.4 Ω12. Flow of charges in the direction of electrons is called photon current electronic current current conventional current13. Given a dc voltage source delivering 24 V and a circuit resistance of 3.3 KΩ, what is the current? 138 mA 0.73 A 7.3 mA 138 A14. Current in a series circuit                 Is the same at all points Increases at different points Varies Decreases at different points15. What keeps an electron in orbit around the nucleus? Electrostatic force and electrons spinning Electrostatice force and protons spinning Less protons than electrons More electrons than protons16. Ohm's Law states that current is _____. Directly proportional to resistance Inversely proportional to voltage Inversely proportional to power Directly proportional to voltage17. What effect on total current flow will a shorted series component have in a series-parallel circuit? There will be no effect Total current will stop Total current will decrease Total current will increase18. Potential difference between ends of conductor maintained by the battery is constant different zero one19. Convert 10000 to metric prefix 10 Kilo 10 Mega 100 Kilo 100 Mega20. What type of circuit combines one or more series circuits with one or more parallel circuits? Parallel Series Simple Series-parallel21. What would cause a component to drop the applied voltage? A decrease in value A Short An increase in Value An open22. In the circuit shown below, the capacitor C is first charged by throwing switch S to the left, then discharged by throwing switch S to the right. The time constant for discharge could be increased by which of the following? placing another capacitor in parallel with C Increasing the battery emf (voltage) ε placing another capacitor in series with C placing another resistor in parallel with the resistor R23. What material is affected most by flux lines? Steel Wood Glass Aluminum24. A circuit has a total resistance of 473,332 Ω and draws 4.4 mA. The best expression for the voltage of the source is: 2.1 kV 2082 V 2.08266 kV 110 kV25. The figure below shows five incomplete circuits composed of resistors, R, all of equal resistance, and capacitors, C, all of equal capacitance. A battery that can be used to complete any of the circuits is available.Into which circuit should the battery be connected to obtain the greatest steady power dissipation? C E B D A26 out of 25Time is Up!
