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Q: What is resistance equal to?
A: What is resistance equal to?
Q: coith on in teroral reaistea Two bat teries one the others 2 0-15 n wth an. 'stemal Conne et ed in…
A: The above problem is based upon the concept of equivalent resistance , and then we have to use Ohm's…
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Q: A substance has zero resistance below 1K. What is such a substance called?
A: A substance that has zero resistance below 1 K is called as Super Conductor. Super Conductors has…
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A: Drift velocity is the average velocity with which charged particles such as electrons drift in the…
Q: Using mesh analysis, find the current trough B2 resistor h the following crcut 6A BA 20V (+,
A: Let's assume the current flowing in the three loops are I1, I2 and I3 as shown in figure below.
Q: 3. For the three cireuits given below, caleulate the time for the curent to reach 50% of its…
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Q: what is the factor for a cabe at 5degree celcius when calculating resistance od a cable? option…
A: Solution: The resistance of wire increases with increasing temperature. The electrical resistance of…
Q: An electric iron of resistance 20 Ω takes a current of 5 A. Calculate the heat developed in 30 s.
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Q: How does wetness affect the resistance of your body?
A: When we are wet, water makes a surface on the skin.
Q: SI Unit of current
A: Ampere
Q: Describe magnitude of resistance.
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Q: Two lightbulbs are each connected to a voltage of 120 V. One hasa power of 25 W, the other 100 W.…
A: (a) Resistance calculation
Q: An electric motor on an airplane operates on 34 volts anddraws a current of 10 amperes.aWhat the…
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Q: 6- Define motion with uniform velocity in your own words.
A: Motion with uniform velocity is motion under constant velocity.
Q: Calculate the effective resistance of a pocket calculator that has a 1.35-V battery and through…
A: Given that-Voltage, V= 1.35 VoltCurrent, I= 0.200 mA= 200 AResistance according to ohm's lawR=VI
Q: the length of a conductor is halved and its area of cross section is doubled, the resistance of the…
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Q: is negative resistance value possible? what are its importance
A: Answer In electronics negative resistance is a property of some electrical circuits in which…
Q: galvanometer cauies a maximum cuent of 15 mA when a voltage of 0.75 nolt is applied to it. Convel…
A: To find-(1) The value of resistance (R)=?(2) The value of shunt (S)=?Given-lg=15 mA=15×10-3 AVg=0.75…
Q: In a 1500-W hairdryer when it is plugged in to 120 V calculate the resistance of the hairdryer.
A: Given values: Power P = 1500 W Potential difference V = 120 V
Q: Calculate the resistance into voltmeter to
A: Using basic knowledge of galvanometers,the problem is solved
Q: The resistance of electric heater is 44 Ohm when connectedto 120 V. What is the power consumption of…
A: Given data: Resistance (R) = 44 ohm Potential difference (V) = 120 V Required: Power (P)
Q: calcalate i Tatel Resistance CV access Gn
A: The equivalent resistance in the parallel combination is The voltage and the current is related as…
Q: An electric heater works by passing a current of 110 A thought a coiled metal wire, making it red…
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Q: Find the total resistance,
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Q: Integrated Concepts(a) What is the cost of heating a hot tub containing 1500 kg of water from 10.0oC…
A: (a) Required heat energy is, Q=mcΔT Q=1500 kg4186 J·kg-1·°C-1 =188.4×106 J Rate of cost of…
Q: An electric iron of resistance 20 2 takes a current of 5 A. Calculate the heat developed in 30 s.
A: Given data : Current = I Resistance = R Time…
Q: Thee resistors when combined in series have an equivalent resistance of 31 ohm and when connected in…
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Q: a power line carries 1000 a and has a resistance 20.0 ohms. How much energy is lost per second in…
A: If Q is the amount of heat, I is the current, R is the resistance and t is the time, then Joule’s…
Q: An electric iron of resistance 14 ohms takes a current of A .find the heat developed in 20 seconds.
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Q: You are asked to measure e.m.f of a cell. Which instrument will you use? A high resistance Voltmeter…
A: The potentiometer is used to measure the e.m.f of cell.
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Q: equation for equivalant resistance?
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Q: Find the value of R
A:
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