1. Explain physically the increase in temperature causes the resister to increase?

Q: Why do power supplies, like voltage supplies and current supplies have internal resistance

A: In this question, Why do power supplies, like voltage supplies and current supplies have internal…

Q: A certain wire has a resistance of R. The resistance of another wire identical with the first except…

A: The obstruction offered to the smooth flow of current is called resistance. The electrical element…

Q: Calculate and measure the equivalent resistance of the given circuit:

A: Explanation: In the given circuit diagram If we see (R1 to R17), R20, (R24 to R27), (R29 to R36)all…

Q: 1. Why is it not necessary to connect a voltage source (like a cell or battery) across a resistor…

A: The explanation is as follows.

Q: Show that the two systems shown in Figure (1) are equivalent. Depend on your study, what is this…

A: Given:

Q: Q1: Which Battery is discharging and which one is charging ? and why ? Q2 : If the resistance of…

A: We will answer the 1 question; if you want remaining kindly repost them as separate one 1 solution-…

Q: A metal rod is 2m long and 8mm in diameter. Compute its resistance if the resistivity of the  metal…

A: Resistance- The electrical resistance, R of this simple conductor is a function of its length, L and…

Q: 16. A wire with a resistance of 65 ohms has a length of 125 ft. The wire is stretch uniformly to 150…

A: Resistance opposes the flow of current. The resistance of element having voltage V across  it  and…

Q: a) Explain FOUR (4) measurement standards available.

A:

Q: Explain the law of resistance. Explain the effects of temperature on resistance

A:

Q: Dose KCL & KVL depend on the relationship between current and voltages in a resistor, Explain?

A: To find the relation between KCL and KVL

Q: Calculate the work done in a resistor of value 50 ohm carrying 20 A current for 20 hours.

A: Value of resistor (R), current(I) and time (t) are –

Q: What is the resistance of 600 ft length of #10 AWG copper wire

A:

Q: If the Lamp will be used in a Classroom which needed a much brighter light of 50 watts, with a…

A: Power and Resistance- The relation between Power and Resistance can be mathematically expressed as…

Q: Calculate the value of maximum safe current (in A) that can flow in a 50 ohms, 4 W resistor.

A: Given, A resistor having Resistance, R = 50 ohms Power, P = 4 W

Q: What is the effect of lenght on resistance

A: Resistance=ρ×LA where ρ is resistivity of material           L is length of wire           A is area…

Q: What will this voltmeter register when connected to a battery as shown (assume a battery voltage of…

A:

Q: EMI Subject provide written solution write the resistor value of the given 4 band color coded…

A: Given :   In the given question they want to know the value of the resistance(R) from the given…

Q: A metal bar is 2 m long and 8 mm in diameter. Calculate its resistance if the resistivity of the…

A:

Q: 1. What is the color code of 333k2, ±10% five band resistor? 2. What is the tolerance of a 3 band…

A: This question belongs to basic electrical . It is based on the concept of calculation of resistance…

Q: Which is not an appropriate option? PV module can used a. For charging street light battery b. In…

A: Uses of PV modules

Q: Explain but detail the Wax bath

A: Wax bath therapy is intended to moisturise, soften the skin, improve blood circulation and reduce…

Q: A 36V, 1.5Ah rated battery has 30 Ohms of internal resistance. How many hours will a 120 Ohm load…

A: Given, Voltage rating of a battery is E = 36 volts Capacity of battery Q = 1.5 Ah Internal…

Q: A lamp draws a current of 120 milliamperes and has a filament resistance of approximately 55 ohms.…

A:

Q: What is the formula for temperature coefficient of resistance

A: Temperature coefficient of resistance(TCR) TCR is defined as the calculation of a relative change of…

Q: What is the resistance of aluminum wire which is 10 m long and has a diameter of 3mm gives the…

A:

Q: How much voltage will be dropped across a 40-kΩ resistance whose current is 250 μA?

A: Voltage dropped across a resistance can be found out using ohm’s law. Ohm’s law states that voltage…

Q: considering the circuit and given information, 1) What is the voltage across each resistor?  2)…

A: Given:R1=13KΩR2=25KΩR3=15KΩR4=17KΩR5=10KΩV1=10VV2=25V

Q: Question 4: What happened to the Current top bar was placed on U core (Complete core. U and top bar…

A:

Q: 1. Explain the law of resistance. 2. Explain the effects of temperature on resistance.

A: we need to explain given statements.

Q: Give the color bands of the following resistors with 10% tolerance:  1. 100 Ohms 2. 500 KOhms 3.…

A:

Q: What will be the amount of work done by a 200 ohm resistor carrying a current of 20 A for 20 hours?

A: For electrical circuits, power can be defined as work done per unit time. So, product of power and…

Q: What value multiplier resistor is required to create a 0-100V range voltmeter from a 10mA meter…

A: In this question , we will find value of multiplier resistance required  to increase the range of…

Q: If a resistor is to carry 1 A of current and handle 100 W of power, how many ohms must it be? Assume…

A: Given, Current carried by resistor I=1 A Power handle P=100 W

Q: 1. What will this voltmeter register when connected to a battery as shown (assume a battery voltage…

A: The explanation for given figure is as follows.

Q: Ton AR, 3 * 300W printers and 5A Medical device and how many batteries you need to make the system…

A: 2 ton AR 3*300 W 5A medical device

Q: For a given wire gauge, the longer the wire the greater the resistence. A copper wire 750ft long has…

A: Given: Length of copper wire, l=750 ft And resistance of 750 ft. long wire, R=1.89 Ω For the same…

Q: What value multiplier resistor is required to create a 0-100V range voltmeter from a 10mA meter…

A: In this question we need to a multiplier resistance so that we can create a 0 to 100 V range…

Q: Q3\ If you have a resistor of colors (red, brown, orange) and it was measured by Ohmmeter as 230002,…

A:

Q: Describe three things that you can do personally to reduce the amount of electrical energy you use…

A: With increase inpollution it is becoming  necessary  day by day for all individuals to responsibly…

Q: provide written solution write the resistor value of the given 4 band color coded resistor (Red…

A:

Q: 3. a)Make a schematic diagram of the circuit given below Power supply Printed circuit board with…

A:

Q: 2. What will this voltmeter register when connected to a battery as shown (assume a battery voltage…

A: For measuring the voltage of a battery by using multimeter,the multimeter red probe is connected to…

Q: A metal resistor has resistance of 10 ohm at 0°C and 11 ohms at 160°C, the temperature coefficient

A: Temperature coefficient:                       The resistance-change factor per degree Celsius of…

Q: Can you briefly talk about the parts that should be used for the charger of an electric car?  may…

A: The vehicles in today's world pose a lot of threat to the environment via pollution. Electric…

Q: If 1.27 × 1021 electrons move at given point the circuit for 100s, how much current is flowing in a…

A: Current I = dq/dt                  = q/ t Given time t = 100 us  And from given data find the charge…

Q: 4. If we use a digital multimeter to measure the current In the 500 ohm resistor, how much error…

A: Electrical devices are used for measuring electrical parameters. Current, voltage and power are…

Q: A person working on a steel structure while standing on ground. An accident occurred where 6 A pass…

A: Given: Fault current, If=6 A Radius, r=0.2 m Resistance of man, Rman=2000 Ω Soil resistivity, ρs=100…