Given a circuit with a DC battery of voltage 5.00 volts connected to a single resistor. The current through the resistor is I, and the power emitted by the resistor is P. If the voltage of the battery is increased to 35.0 volts then what is the ratio of the new power to P?   a. 49.0   b. one-fifth

A 1000 uF capacitor is charged at a constant current of 1 mA. The final voltage across the capacitor is 100 V. Calculate the time required and the corresponding charge in coulombs. Select one O a. 100 sec, 0.1 C Ob. 200 sec, 0.12 C c. Not on the list d. 140 sec. 0.05 C Oe. 150 sec, 0.03 C

18. A 6V battery having an internal resistance 60 is connected to a load resistor. The current through the circuit is 0.1A. The terminal voltage across the load is a. 6.2V b. 6.6V c. 6V d. 5.4V 19. If the velocity and acceleration of an object are in the same direction, a. The object remains at rest. b. The speed of the object increases with time. c. The speed of the object decreases with time d. The speed of the object remains constant.

Consider the following circuit diagram. The potential difference across the battery is 40.0 volts, and it supplies a current of 5.00 amperes to the circuit. There is a current of of 2.70 amperes flowing through R1. Resistor R2 has a resistance of 5.50 ohms. What is the resistance of R3? Answer in ohms to two decimal places, but do not include units in your answer.

3. A 60 and a 120 resistor are connected in series with a 36 volt battery,. How many Joules per second are dissipated by the 120 resistor. A. 14 watts B. 24 watts C. 48 watts D. 64 watts

Solve a. RT total resistance b. IT total current c. PT total power d. Current in each resistor e. Power in each resistor BM = 2 ohmsBD = 14 ohms

6. In the circuit shown to the right l = 2.0 A and I = 3.0 A. Find the values of the following: a. Vbd b. la c. RT ime b S.. 50 V

23. 2. Each resistor in the circuit below has a resistance of 3 ohm. The voltage supplied by the battery is 12 V. What is the voltage across and current through the resistor B? a. A The current flowing through the resistor A is = ......A b. The voltage drop across the resistor A is =.....V

D nected in series and placed across a potential difference of 50 V. What is a. the equivalent resistance of the circuit? b. the current in the circuit? c. the voltage drop across each lamp? d. the power dissipated in each lamp? A 20.0-2 lamp and a 5.0-2 lamp are con-

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