Physics WAEC

A wire 1.0m long and with cross-sectional area, 2.0 x 10-7 m² has a resistance of 0.1Ω. Calculate the electrical conductivity of the wire

A. 2.0 x 107Ω‾¹m‾¹
B. 5.0 x 107Ω‾¹m‾¹
C. 2.0 x 108Ω‾¹m‾¹
D. 5.0 x 108Ω‾¹m‾¹

Correct Answer: Option B

B. 5.0 x 107Ω‾¹m‾¹

Explanation

K = 1/RA=1/0.1×2×10^−7

=5×10^7

Sunday

Share
Published by
Sunday
Tags: physics

Recent Posts

List of Universities Offering Veterinary Medicine in Nigeria

Veterinary medicine is the branch of medicine that deals with the prevention, diagnosis, and treatment…

3 months ago

List of Universities Offering Anthropology in Nigeria

Anthropology is the scientific study of human beings and their cultures. It encompasses a wide…

3 months ago

List of Universities Offering Sociology in Nigeria

Sociology is the scientific study of human society, culture, and behavior. It examines the social…

3 months ago

List of Universities Offering Social Work in Nigeria

Social Work is a profession dedicated to helping individuals, families, and communities to cope with…

3 months ago

List of Universities Offering Religious Studies in Nigeria

Religious studies is an academic discipline that explores the beliefs, practices, and history of various…

3 months ago

List of Universities Offering Public Administration in Nigeria

Public administration is the field of study and practice that focuses on the organization and…

3 months ago