1. A 10-volt voltage source is connected in a seriesarrangement with two resistors (R1 = 7 ohms, R2 = 3 ohms). Thecurrent flowing in each resistor is:

a) 1.8 amperes   b) 45amperes   c) 0.05 amperes   d) 1ampere    e) 3.5 amperes

1. What is the voltage across R2 in the above circuit?

a) 2 volts   b) 10volts   c) 3 volts   d)   0.25volts   e)   5 volts

       3. If R1 and R2 are nowconnected in parallel, what is their effective resistance?

a) 2.1 ohms    b) 10ohms   c) 14.8 ohms   d) 0.04ohms    e) 4 ohms

. A 10 volt battery is connected to a RC DISCHARGE circuit madeup of an unknown capacitor that is connected in parallel with a1,000 ohm resistor. If the half life of this circuit is 10 seconds,what is the value of the unknown capacitor?

a) 0.0144 F   b) 12.28F    c)   16.2 F  d)   0.025 F   e) 693 F

5. How long will it take this circuit to discharge from 10 voltsto 1.25 volts?

a)   22 s   b) 69 s    c)   100 s    d)30 s    e) 125 s

1. A wire carrying 10 amperes of current is oriented at 90 degreeswith respect to a magnetic field of 5 Tesla. How long must the wirebe to generate a force of 5 Newtons?

a) 0.1 meters   b) 15meters   c) 2 meters   d) 7.07meters    d) 0.005 meters