In June 2024
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List the FOUR (4) classes of fire with a brief explanation of each class.
Define fire. With the aid of the fire triangle list the fire possible methods one could employ to extinguish a fire.
List any FOUR (4) of the JS21 Regulations relating to safety
Explain the basic operation of a generator using a suitable diagram to support your answer.
The electric bill for a family for a month is $120.
a. Assuming 30 days in the month, what is the cost per day?
b. Based on 15-h days, what is the cost per hour?
c. How many kilowatthours are used per hour if the cost is 12¢/kWh?
d. How many 60 W lightbulbs (approximate number) could you have on to use up that much energy per hour?
e. Do you believe the cost of electricity is excessive?
Design an mod 7 synchronous counter using JK flip flop
2. A burglar alarm for a car has a normally low switch on each of four doors. If any door is opened, the output of that switch goes HIGH. The alarm is set off with an active- LOW onput signal. What type of gate will provide this logic? Support your answer with an expaination.
for a pure sinosudial wave. what is the value of form factor and peak factor
dielectric with a positive charge of 5 C has 18.75 × electrons added to it. What is the net charge
Title: Designing and Simulation of a pro-type wireless transmitter system on proteus.
Task: Design, simulate and analyze an electronic communication system to transmit audio signal wirelessly using infra-red (IR) over a short distance (less than 1m). Show all design calculations, schematics, simulation results. Simulation to be done preferable via Proteus Software.
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#340153 on Dec 2023