{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# PHYS102Quiz8 - Practice Quiz 8(Combined Chapters 17-18 1 A...

This preview shows pages 1–2. Sign up to view the full content.

Practice Quiz 8 (Combined Chapters 17-18) 1) A light bulb operating at a voltage of 120 V has a resistance of 200 Ω . What is the power? A) 100 W B) 72 W C) 14 × 10 -3 W D) 7.2 W Answer: B 2) A 100-W light bulb is connected to a 110-V source. What is the resistance of this bulb? A) 100 Ω B) 8.00 × 10 -3 Ω C) 121 Ω D) 242 Ω Answer: C 3) If one doubles the emfs in a circuit and doubles the resistances in the circuit at the same time, what happens to the currents through the resistors? Assume there are only emfs and resistors in the circuit. 4) A 10-V-emf battery is connected in series with the following: a 2- F capacitor, a 2- resistor, an ammeter, and a switch, initially open; a voltmeter is connected in parallel across the capacitor. After the switch has been closed for a relatively long period (several seconds, say), what are the current and capacitor voltage readings, respectively?

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 3

PHYS102Quiz8 - Practice Quiz 8(Combined Chapters 17-18 1 A...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online