In a circuit connected to a battery, the current flows from negative pole toward the positive pole of the battery
a. True
b. False
Indicate whether the statement is true or false
False
You might also like to view...
Pressure in a Liquid: A container has a vertical tube, whose inner radius is 20.00 mm, connected to it at its side, as shown in the figure. An unknown liquid reaches level A in the container and level B in the tube-level A being 5.0 cm higher than level B. The liquid supports a 20-cm high column of oil, between levels B and C, whose density is 900 kg/m3. The density of the unknown liquid is closest to
A. 3600 kg/m3. B. 3900 kg/m3. C. 2800 kg/m3. D. 3100 kg/m3. E. 3300 kg/m3.
Give a physical explanation of each of these 3 groups and explain when you expect Bo and Ja to exert a significant influence and when their respective influence is negligible.
GIVEN
? Three of the dimensionless groups upon which the condensation Nusselt number depends
FIND
(a) Physical explanation for the three groups
(b) When Ja and Bo are important
If the speed of a molecule in a container doubles (other things remaining the same), the average pressure that this molecule exerts on the container wall
A. remains the same. B. doubles. C. quadruples. D. One does not have enough information to say.
The ozone layer is our friend because
A) it protects us from damaging ultraviolet radiation. B) it protects us from damaging infrared radiation. C) of the role it plays in keeping Earth warm. D) its electrical properties help to bend radio waves around the earth. E) it protects the earth from undergoing a harmful greenhouse effect.