Reference no: EM131591036
1. A parallel-plate capacitor has a plate area of 0.2 m2 and a plate separation of 0.1 mm.
Calculate the capacitance of the capacitor
2. C1 = C2 = 30 μF, and C3 = C4 = 10 μF.
Calculate the equivalent capacitance.
3. A 150 W radiant heater is constructed to operate at 115 V.
a) What is the current in the heater when the unit is operating?
b) What is the resistance of the heating coil?
c) How much thermal energy is produced in 2 h?
4. A wire 7 m long and 5 mm in diameter has a resistance of 10mΩ. A potential difference of 15 V is applied between the ends.
a) What is the resistivity of the wire?
b) What is current in the wire?
5. Calculate the equivalent resistance:
6. Choose 3 equations from the formula sheet and indicate what each one represents, then write the significance and unit of each quantity, following the example below.
p=F/A definition of pressure
p -pressure , [p]=N/m2=Pa
F-force exerted normal on the surface, [F]= N
A- area of the surface, [A]=m2
7. Draw the electrical symbol for a battery, capacitor, resistor, ammeter, and voltmeter.
8. Describe how the voltmeter is used in a circuit to measure the voltage across a resistance. You can use a sentence or you can draw a circuit.
Discuss cost savings in the criminal justice system
: With one of these defences eliminated, there will be cost savings in the criminal justice system. Canada has far too many defenses available to accused persons
|
Describe where you see eachof five conflict in everyday life
: Describe where you see eachof the five conflicts in everyday life (e.g., in social media, music, literature, or online learning).
|
Consider the downside of being new and small for weaknesses
: List (at least) four strengths, four weaknesses, two opportunities, and two threats. These should be thoughtful and realistic for a start-up organization.
|
Discuss the method of mandatory access control
: Imagine that you are the Information Systems Security Specialist for a medium-sized federal government contractor.
|
Calculate the capacitance of the capacitor
: 1. A parallel-plate capacitor has a plate area of 0.2 m2 and a plate separation of 0.1 mm.
|
The purpose of a business strategy and a business model
: Explain the difference between the purpose of a business strategy and a business model.Discuss why each level of an organization must set goals.
|
Write a program that prompts the user
: Write a program that prompts the user to enter the month and year and displays the number of days in the month
|
Write a two pages paper about communication
: Write a 2 pages paper about communication, double-spaced, size 12. Arrange and take a visit to an organization in which communication is managed.
|
What are some of the challenges faced by the researchers
: What are some of the challenges faced by the researchers in this study. How did they address them. Were they successful
|