1. A current is said to exist whenever A. a wire is charged B. a battery is pres ent C. electric charges are unbalanced D. electric dharges move in a loop 2. Current has a direction. By convention, aurrent is in the direction that A. + charges move B. - charges move C. - electrons move D. + electrons move 3. The resistance of an electric bulb drawing 1.2 A current at 6.0 V is A. 0.5W B. 5W C. 0.02W D. 2W

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 83CP: A particle accelerator produces a beam with a radius of 1.25 mm with a current of 2.00 mA. Each...
icon
Related questions
Question
Subject: Physics Please answer this all (1)
1. A current is said to exist whenever
A. a wire is charged
B. a battery is present
C. electric charges are unbalanced
D. electric charges move in a loop
2. Current has a direction. By convention, current is in the
direction that
A. + charges move
B. - charges move
C. - electrons move
D. + electrons move
3. The resistance of an electric bulb drawing 1.2 A current
at 6.0 V is
A. 0.5W
B. 5W
C. 0.02W
D. 2W
Transcribed Image Text:1. A current is said to exist whenever A. a wire is charged B. a battery is present C. electric charges are unbalanced D. electric charges move in a loop 2. Current has a direction. By convention, current is in the direction that A. + charges move B. - charges move C. - electrons move D. + electrons move 3. The resistance of an electric bulb drawing 1.2 A current at 6.0 V is A. 0.5W B. 5W C. 0.02W D. 2W
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Resistivity
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
University Physics Volume 2
University Physics Volume 2
Physics
ISBN:
9781938168161
Author:
OpenStax
Publisher:
OpenStax
College Physics
College Physics
Physics
ISBN:
9781938168000
Author:
Paul Peter Urone, Roger Hinrichs
Publisher:
OpenStax College
Physics for Scientists and Engineers, Technology …
Physics for Scientists and Engineers, Technology …
Physics
ISBN:
9781305116399
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
College Physics
College Physics
Physics
ISBN:
9781285737027
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
Physics
ISBN:
9781133104261
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning