PHYS 122 EXAM 1 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
Question:
1. Field lines point away from __________ charge and toward ________________ charge.
Answer:
positive, negative
Question:
2. As two electric charges are moved farther apart, the magnitude of the force between them
Answer:
decreases
Question:
3. When two positive charges are moved from very far away to close together, their electric potential
energy
Answer:
increases
Question:
4. If you increase the voltage across a resistor, its resistance
Answer:
remains the same
Question:
5. In a circuit, capacitors in series have the same _____________________ them and capacitors in parallel
have the same _________________ them.
Answer:
charge on, potential drop across
Question:
6. AS you add more resistors in parallel the total resistance of the circuit
Answer:
decreases
Question:
7. A charged particle that is moving against a magnetic field (in the opposite direction as the field) will
Answer:
move in a straight line
Question:
8. Two parallel wires with currents running in the opposite direction _____________ each other.
Answer:
repel
CORRECT ANSWERS
Question:
1. Field lines point away from __________ charge and toward ________________ charge.
Answer:
positive, negative
Question:
2. As two electric charges are moved farther apart, the magnitude of the force between them
Answer:
decreases
Question:
3. When two positive charges are moved from very far away to close together, their electric potential
energy
Answer:
increases
Question:
4. If you increase the voltage across a resistor, its resistance
Answer:
remains the same
Question:
5. In a circuit, capacitors in series have the same _____________________ them and capacitors in parallel
have the same _________________ them.
Answer:
charge on, potential drop across
Question:
6. AS you add more resistors in parallel the total resistance of the circuit
Answer:
decreases
Question:
7. A charged particle that is moving against a magnetic field (in the opposite direction as the field) will
Answer:
move in a straight line
Question:
8. Two parallel wires with currents running in the opposite direction _____________ each other.
Answer:
repel