A typical electric hair dryer designed to operate on a 120 V supply is rated at 1.5 kW. What is the resistance specification of the dryer ? А. 9.6 N В. 12 0 С. 8.5 0 D. 6N
Q: 6. The sticker on an appliance states that it draws 288 mA of current when powered by a 9 Volt…
A: Formula used for solving this problem Power = Voltage * Current Voltage = Current *…
Q: The current through the entire circuit, as shown in the figure below is: 2.0 N ww 2.0 2 #12 V 200 ww
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Q: What is the equivalent resistance between points A and B when R = 52.3 0? 5R ww В R R 5R A 4R
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Q: What is between points a andb when R =
A: Option C) 39.07 ohm
Q: What is the equivalent resistance between points A and B when R = 15.6 Q? 5R В R R 5R 4R Select one:…
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Q: What is the equivalent resistance between points A and B when R = 22.7 Q? 5R В R 5R A 4R
A: Remember:For series combinationReq = R1 + R2 + R3 +...............for parallel combination1/Req =…
Q: What is the equivalent resistance between points A and B when R = 29.1 Q?
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Q: What is the equivalent resistance between points A and B when R = 15.8 Q?
A: (given) Resistance R = 15.8 Ω Resistance R1 = R + 4 R = 5 R…
Q: A 3-volt battery supplies a light bulb with 1.8 J of energy each second. Find the current that flows…
A: Concept: Given: Power (P)= 1.8 J/s emf ε= 3 volt The Formula to determine the current will be,…
Q: A 9V battery having an internal resistance 20 is connected to a load resistor of 88. The current…
A: Internal resistance r = 2 ohm Load resistance R = 88 ohm emf of battery E = 9 Volt Concept : Suppose…
Q: The copper wire with diameter 0.7 mm and 80 m long is connected to 15 V battery. Calculate the…
A: Given data: Diameter (d) = 0.7 mm = 0.7×10-3 m Length (L) = 80 m Voltage (V) = 15 V Resistivity (ρ)…
Q: A heater is rated as 240 V, 10 kW. How much current does it draw?
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Q: If a lamp has a resistance of 120 W when it operates at 100 W, what current does it carry? a. 2.10…
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Q: An electric heater is constructed by applying a potential difference of 158.8V across a wire with a…
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Q: rate is thermal energy generated in the
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Q: What is the equivalent resistance between points A and B when R = 15.2 Q? 5R В R R 5R A 4R Select…
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Q: A 22 12 V = 6 2 6Ω { 42 В Find the current through the 6 2 resistor connected directly between A and…
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Q: A ribbon of material with a rectangular cross sectional area of (0.25 mm x 1.00 mm), length 21.9 cm…
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Q: A 9Ω : 2Ω 12 V = 6Ωξ 6Ωξ { 42 В Find the current through the battery. В. 2A E. 5A A. 1A С. ЗА D. 4A
A: In the given question given that a circuit and we have to determine the current through the battery…
Q: equivalent resistance
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Q: What is the equivalent resistance between points A and B when R = 77.6 0? 5R В R R 5R A ww 4R
A:
Q: What is the equivalent resistance between points A and B when R = 21 Q? 5R В R R 5R A 4R Select one:…
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Q: What is the equivalent resistance between points a and b when R =21 2? R. R a R R.
A: To find the equivalent resistance between the point a and b
Q: An electric device delivers a current of 9.1 A for 5.7 seconds. How many electrons flow through this…
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Q: A certain wire has a resistance R. The resistance of another wire, identical with the first except…
A: Given data R1=Rd1=dd2=2dR2=R'
Q: A typical electric hair dryer designed to operate on a 120 V supply is rated at 1.5 kV What is the…
A:
Q: An electric heater is constructed by applying a potential difference of 132.5V across a wire with a…
A: Given: P.D across wire, V=132.5 V Resistance, R=5 Ω Let's find power rating of heater.
Q: What is the equivalent resistance between points A and B when R = 25.7 0? 5R
A: Let us consider a labelled circuit as drawn below:- Given values:- Resistance,(R)=25.7 Ω -----(1)…
Q: An electric heater is constructed by applying a potential difference of 105.5V across a wire with a…
A:
Q: What is the equivalent resistance between points a and b when R = 15.2 0? R R Select one: A. 22.80…
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Q: What is the equivalent resistance between points A and B when R = 77.6 Q? 5R В R R 5R A 4R
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Q: How many 102 resistors must be connected in series to make an equivalent resistance of 800? а. 20 O…
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Q: equires 1100 W at 110 V. What is the resistance of the heating coil? a. 7.5 W b. 9.0 W c. 10.0 W
A: GivenPower, P=1100 WVoltage,V=110 V
Q: A battery has an emfof 12.0 V and an intcrnal resistance of 0.050 0 12. Its terminals are connected…
A: Correct Option (c ) = 3.93 A Given- Emf (e) = 12.0 V Internal resistance (r) = 0.050 ohm Load…
Q: 3.A hair blower contains a heating element which has a resistance of 57 N. This heating element is…
A: Electricity is related to the flow of electrons. Conductance of electricity determines its power.…
Q: Two resistors of equal resistance R are connected in parallel across a cell with emf V. What is the…
A: Given : Two resistors of equal resistance R are connected in parallel across a cell with emf V.
Q: A ribbon of nichrome (resistivity = 1.00 A 10-6 Ω·m) with a rectangular cross sectional area of…
A: The given data are:
Q: What is the resistance of a 6.8 m length of nichrome wire that has a radius of 0.321 mm? How much…
A: Given the length of wire = L = 6.8mthe radius of the wire = R = 0.321mmthe potential difference…
Q: Find the resistance of a cubic centimetre of copper (i) when it is drawn into a wire of diameter…
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