7. Discuss the THREE advantages of wireless communication systems equipped with multiple antennas at both transmitter and receiver.
Q: It is an electromagnetic switch. O SCR O Tactile switch O MOSFET O Relay
A: Answer is : Relay
Q: What are the optical fibers. How optical fibre cables are having more advantage over conventional…
A: Optical fibres are based on the principle of Total internal Reflection.
Q: A step-down transformer increase voltage decrease voltage O doesn't change voltage at all
A: To determine: The correct option.
Q: he alternating current in wide use in homes in North America is 60 cycles per second, or 60 Hz. How…
A: When the electrons in alternating current switch direction, the direction of current and the voltage…
Q: What does the term ‘attenuation’ used in communication system mean?
A: In a communication system, the term 'attenuation' is a loss of energy.
Q: What do you think will happen when they switches are turned closed.
A: Required : What will happen when the switches are closed.
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: What happens in the secondary coil of a transformer?
A: secondary coil
Q: List one benefit and one drawback of fibre optic cables.
A:
Q: changes in a moving charge in a magnetic field in medical physics
A: The moving charge in a magnetic field is used in magnetic resonance imaging (MRI) machine.
Q: what happens when a changing magnetic field through a loop of wire a potential difference voltage…
A: Given Magnetic field is changing through a loop of wire. a potential difference voltage is included…
Q: bonus3 2 Moor s2 hnd current throgh 241321 15122015 Vo acyoss 24. 3240 21940
A: a)Equivalent resistance is,
Q: explain the disadvantage of transmitting electrical energy over distances
A: Transmitting electrical energy over long distances presents several disadvantages, primarily related…
Q: Two parallel wires, each carrying a current of 2.2 A in the opposite direction, are shown in the…
A:
Q: hat are some ways that electric fields are similar to magnetic fields?
A: Similarities between Magnetic field and Electric field: Both magnetic field and Electric field…
Q: Calculate the size of the magnetic field 19 m below a high voltage power line. The line carries 530…
A:
Q: It is an electronic device that transforms an alternating current into direct current.
A: A Rectifier is a device that converts alternating current into direct current. The Rectifier is made…
Q: How a step down transformer works?
A: A transformer is a device which can converts the high voltages into the low voltages.
Q: 8. Describe the Construction, Theory and Principle of operation of Vernier potentiometer
A: Refer to a Vernier Potentiometer below :
Q: 10. Using the electromagnetic theories, explain how an electric bell works. switch spring soft-iron…
A: The step-by-step process of the working of the electric bell is described as follows. It is mainly…
Q: Demonstrate the changes in a charge moving in a magnetic field
A:
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: The device used to convert electrical energy to mechanical energy O a. Optical fiber O b. Inductor…
A: An optical fibre transmits an electric signal into a light signal. Inductors convert electrical…
Q: In a step-up transformer, the primary voltage is ____ the secondary voltage. A. greater than B.…
A: In a step-up transformer, the primary voltage is ____ the secondary voltage. A. greater than B. less…
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: What is a Faraday cage?
A: Faraday cage is a shield that prevents the entry of electromagnetic radiation and electrostatic…
Q: Why are copper and aluminium wires usually employed for electricity transmission?
A:
Q: What electrical quantity cannot be changed by a transformer
A: What electrical quantity cannot be changed by a transformer.
Q: What do microphones do?
A: What do microphones do?
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: Which of the following materials is ferromagnetic? Iron Cobalt Nickel Aluminum
A: Ferromagnetic materials when placed in an external magnetic field, get's strongly magnetized in the…
Q: What is the relationship between magnetic field and magnetic energy density
A: The energy density in a magnetic field is given by uB =…
Q: State and explain five practical applications of eddy currents
A: Solution: Application of the eddy current
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: What is a shot circuit?
A: When the current in the circuit increases heavily and the electrical connection draws excess of…
Step by step
Solved in 2 steps with 2 images