6 Questions
What are the principles behind measuring DC voltage and current using a multimeter?
The principle behind measuring DC voltage is by connecting the multimeter in parallel with the circuit, and for current, it is by connecting the multimeter in series with the circuit.
Explain the types of soldering which use increasingly higher temperatures, which in turn produce progressively stronger joints.
The types of soldering that use higher temperatures include reflow soldering and wave soldering.
What is the principle of Digital Multimeter (DMM)? Write the procedure to measurement of Resistance using DMM.
The principle of DMM is to convert analog signals to digital information for display. To measure resistance using DMM, set the dial to the resistance mode, connect the leads to the resistor, and read the resistance value.
What is a cathode ray oscilloscope (CRO) with block diagram?
A CRO is a device used to visualize and analyze the waveform of electrical signals. It consists of a cathode ray tube, vertical and horizontal deflection plates, and a timebase generator.
State and Explain the Kirchhoff voltage law.
The Kirchhoff voltage law states that the total voltage around a closed loop in a circuit is equal to the sum of the voltage drops in that loop. It is based on the conservation of energy.
Define P-N junction. Explain the formation of P-N junction.
A P-N junction is the interface between a P-type semiconductor and an N-type semiconductor. It is formed by the diffusion of charge carriers across the junction, creating a depletion region.
Test your knowledge of principles behind measuring DC voltage, using a multimeter, advantages and disadvantages of breadboard, DMM, and soldering types. Includes questions on Digital Multimeter principles and resistance measurement procedures.
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