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$$0$#))8#)#pG$G$$)BV: Electric Circuits  Parallel with Ohm's Law
Three 20 ( resistors are connected in parallel across a 120 V generator.
Draw a schematic diagram of the circuit.
What is the total or equivalent resistance of the circuit? (6.67 ()
What current flows through the battery? (18 A)
A 10 ( resistor, a 15 ( resistor, and a 5 ( resistor are connected in parallel across a 90 V battery.
Draw a schematic diagram of the circuit.
What is the total resistance of the circuit? (2.73 ()
What current flows through the 15( resistor? (6 A)
A 16 ( resistor, a 14 ( resistor, and a 30 ( resistor are connected in parallel across a 45 V battery.
What is the total or equivalent resistance of the circuit? (5.98 ()
What total current flows in the circuit? (7.53 A)
4. A 20( resistor and a 30( resistor are connected in parallel and placed across a 100V potential difference.
What is the equivalent resistance of the circuit? (12 ()
What current flows through the battery? (8.33A)
What is the current through each resistor? (5A, 3.33A)
5. Three 30( resistors are connected in parallel and placed across a difference in potential of 135 V.
What is the voltage drop across each of the resistors? (135 V)
How much current flows through each resistor? (A1 = 4.5 A, A2 = 4.5 A, A3 = 4.5 A)
6. Three resistors of 3 (, 5 (, and 4 ( are connected in parallel across a 12V battery.
What is the voltage drop across each of the resistors? (12 V)
What is the current across each resistor? (A1 = 4 A, A2 =2. 4 A, A3 =3 A )
c. Find the total resistance and total current for this circuit. Is the sum of the currents in each resistor
equal to the total current? (1.28 , 9.4 A, yes)
7. Four resistors of 6 ( each are connected in parallel and placed across a voltage source. The current flowing in the circuit is 1.6 A.
What is the total resistance of the circuit? (1.5 ()
What is the voltage of the source67u,  4 5 7 < = M N a b
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8. a. What current flows through a 60W bulb when it is connected across a 120V outlet? (0.5 A)
b. What is the resistance of two 60W bulbs connected in parallel? (120 ()
What current flows through when the two bulbs are connected in parallel and placed across a 120V outlet? (1 A)
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