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A 0.500 cm diameter plastic sphere, used in a static electricity demonstration, has a uniformly distributed 40.0 pC charge on its surface. What is the potential near its surface?
What is the strength of the electric field between two parallel conducting plates separated by 1.00 cm and having a potential difference (voltage) between them of 1.50×10⁴V?
Suppose two students measure the length of a piece of wire three times each. Student A obtains results of 8.09,
8.10, and 8.11 centimeters. Student B obtains determines a length of 8.1 centimeters for all of his three
measurements. Although the average length found for each student’s measurements was 8.1 cm, what
qualitative statements can be made concerning the measurements made by students A and B?
A gas is contained in a 3.0L container at a temperature of 25C. The gas exerts a pressure of 16atm on the container. If pressure is kept constant, what is the final volume of the gas if the temperature of the container is increased to 200C?
An auto mobile tire is inflated to be 0398 as decimal plus 32 psig pressure at 50 degree Fahrenheit after being driven the temperature rises to 75 degree Fahrenheit. Assuming that the volume remains constant, the final gauge pressure is?
The density of nitrogen at S.T.P is1.251kgm^-3. calculate the r.m.s. velocity of nitrogen molecules.
Air at 5 atm is compressed to half of its original volume. Find the resulting pressure of the air.
Find the electric field midway between a 2 -μC point charge which are 2.5m apart.
find (a) magnitude of the electric field 0.5m from a 2.5 -μC point charge and (b) the magnitude and direction of the electrostatic force acting on an electron placed at that point.
Calculate the power delivered to each of the resistors shown in Figure below.
An L-R-C series circuit is constructed using 175 resistor, a 12.5 capacitor, and 8.00-mH inductor, all connected across an ac source having a variable frequency and voltage amplitude of 25.0 V.
At what angular frequency will the impedance be smallest, and what is the amplitude at this frequency?
At the angular frequency in part (a), what is the maximum current through the inductor?
At the angular frequency in part (a), find the potential difference across the ac source, the resistor, the capacitor, and the inductor at the instant that the current is equal to one-half inductor it greatest positive value
In part (c), how are the potential difference across the resistor, inductor and capacitor related to the potential difference across the source.
