How does telecommunication works
Q: Why does the filament of a lightbulb glow while the connecting wires do not?
A: The filament of a bulb is made of a metal with quite high resistance high melting point like…
Q: What do you think will happen when they switches are turned closed.
A: Required : What will happen when the switches are closed.
Q: How do we measure electrical force?
A: Given: Electric force
Q: Why is parallel circuit more often used in homes, offices, and industrial systems than series…
A: parallel circuit more often used in homes, offices, and industrial systems than series circuit
Q: Example of wire transfers in the Philippines?
A: It is about the US-based western association that is giving the office to move assets through…
Q: The right hand screw rule does not involve
A: Solution
Q: What does it mean that it is a parallel circuit?
A:
Q: What energy conversion does take place during the working of a dc current?
A: The conversion of electric energy into mechanical energy is done by DC motors whereas AC generators…
Q: List one benefit and one drawback of fibre optic cables.
A:
Q: How are bulbs and or LED lights in your house connected? Why is this so?
A:
Q: What is the purpose of switch in a current?
A: Electric switch is a device that interrupts the electron flow in a circuit. It is an electrical…
Q: Your friend says that according to Ohm’s law, high voltage produces high current. Then your friend…
A: According to ohm’s law, at a constant temperature, V is proportional to I, where R is the…
Q: What are the Properties of Alternating Current?
A: The properties of alternating current are: Frequency is denoted by f and is defined as the number…
Q: Which layer refers to the electrical signals sent down a wire?
A: physical layer refers to the electrical signals sent down a wire
Q: What happens if you change the direction of the current in a wire?
A: The current-carrying wire always produces magnetic fields throughout it. The direction of the…
Q: Alternating Current is used in most large power distribution systems. Why?
A: Alternating Current (AC) is an electrical current whose magnitude and direction changes continuously…
Q: Why are copper and aluminium wires usually employed for electricity transmission?
A:
Q: Why is it necessary to have an earth wire installed in a power circuit, but not in a lightening…
A: Power circuit carries high power and costly devices. If there is some unwanted power signal in the…
Q: The total current flowing through this circuit is 3 A 02A 6 A 4 A
A: Given Resistance of the three resistors are given as R1=6 Ω, R2=14 Ω and R3=10 Ω Voltage of the…
Q: How is electromagnetism used in health sciences?
A: Electromagnetic force is one of the four fundamental force acting between charged particles. Such a…
Q: What is the advantage of transmitting power at high voltages?
A:
Q: When does an electric short circuit occur?
A: A common kind of short circuit happens when a battery's positive and negative terminals are attached…
Q: What is needed in order to create a magnetic field? Atoms A bar of iron electric Charge a changing…
A: What is needed in order to create a magnetic field?_ Anwera changing electric field
Q: Why do transmission lines operate at very high voltages while household circuits operate at fairly…
A: The power loss through the line is given by, P=I2R thus, the power loss is depends on the square of…
Q: What does it mean is some wires and components have a large resistance?
A: Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is…
Q: Choose the BEST answer to the following: To receive an electric shock there must be a (a) current in…
A: Electric shock occurs due to the voltage difference or current is the flow due to the voltage.…
Q: What is the ability to the ability to transmit electrical current from one cell to another?
A: Electrical conductivity is defined as ability to transmit electrical current from one cell to…
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