Ex 69 A cell e.m.f. 2 volt and negligible internal is connected to resistance potentiometer wire of length 4 m and resistance 250 to form a close circuit. Find the potential gradient along the wire.
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A: We need to find- Resistance in series with potentiometer wire (RE)=? The data given as- L=4 m E=2 V…
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Q: A voltmeter has a resistance 300 What will be its reading when it is connected a celf of emf Qualt…
A: To find-reading on voltmeter (i.e. potential difference ) V=?Given-Resistance of voltmeter (R)=30…
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Q: Four resistance 52, 102, 152 and an unknown XO, are connected in series so as to form Whetstone's…
A: To find- Unknown resistance (X)=? Given- R1=5 ohm R2=10 ohm R3=15 ohm R4=X ohm
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Q: A potentiometer wire has a length 2 m and resistance of 10 2. It is connected in series with…
A: To find-Potential gradient VL=?Given-Lenght of potentiometer wire (L)=2 mResistance of wire (R)=10…
Q: Resistance of potentiometer wire is 1 per meter. A Daniel cell of e.m.f. 1.08 V balances at 216 cm…
A: We have to find-1 Current through wire I=?(2) Balancing length l2=?Given that-Resistance per meter=1…
Q: An external resistor of 12 Q is connected to a real battery, as shown the figure. The thermal energy…
A: The internal resistance is defined as the resistance offered by the battery or cell itself, towards…
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Q: Resistance of potentiometer wire is 1 № per meter. A Daniel cell of e.m.f. 1.08 V balances at 216 cm…
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Q: In the circuit shown. If a current of 0.9 A is measured with the digital multimeter (DMM). The…
A: Given:- In the circuit the resistance R = 10 ohm The current I = 0.9 A Find:- The internal…
Q: Find the equivalent resistance (in 2 ) between point a and b if R= 15 Q. R www 403 www ww www
A: R1= 4 ΩR2=4 ΩR3=2 ΩR4=R=15 Ω
Q: A potentiometer wire has a length 2 m and resistance of 102. It is connected in series with a…
A: To find-Potential gradient VL=?Given-Length of potentiometer wire (L)=2 mResistance of wire (R)=10…
Q: Resistance P=10, Q=15₁ R=25- & S=50 are connected in The aims AB, BC, CD & DA rest of a wheat…
A: We need to find- Resistance has to be connected in parallel with S (R')=? The data given as- P=10…
Q: Given the equation V = Voe-(7.7x10-2)t, at what time will the voltage drop by its criginal value?…
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Q: What is the exact value of this resistor R= ohms Voltage 120.00 V hp Current 1,37 A
A: Given data The potential difference is V = 120 V The magnitude of the current is I = 1.37 A
Q: The potential difference accross the terminals of a battery is 20.0 V when the circuit is open. When…
A: Given:- The potential difference across the terminals of a battery E=20.0 V current I= 2.0 A the…
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Q: 100 N 200 N 150 2 24 V a. Determine the total equivalent resistance b. Calculate the voltage across…
A: When the total resistance is connected in parallel or series, it is called equivalent resistance.
Q: A potentiometer wire of length 10 m and resistance 20 N is connected to a battery of e.m.f. 2 V and…
A: To find-(1) Potential drop per mm,(2) Balancing lengthGiven-L=10 mR=20 ohmr=0E=2 VV=1.08 V
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A: Given Current in the resistor is I and voltage of the battery is V
Q: Problems. Find Vo in the following circuit: 6k V1 5V vo 1k
A: This problem is from the chapter of operational amplifier (electronics). Let's solve this problem by…
Q: The length of potentiometer wire is 4 m and its resistance is 18 2. A battery if e.m.f. 2 V and…
A: We need to compute here-(i)Potential gradient VL(ii)E.m.f. of cell(E1)The data provided is given as-…
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Q: A voltmeter has a rexistance 302.what be its xeading, when it is connected a cell of 'emf 2V having…
A: Internal Resistance, r= 10 Ohms EMF, V= 2 V Voltmeter resistance, R= 30 Ohms
Q: The shown circuit is connected for a long time. If C-24 uF and s-5.4 V, then find the charge on the…
A: Given : Capacitor C = 24 μF Emf ε = 5.4 V
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Q: Which of the following relation is correct for resistance ? PA A. R = L PL B. R = A C. R = p. A. L.…
A: Here, it is asked to find which of the given relation is correct for resistance. We know that,…
Q: 120 V potential difference is applied to a space heater that dissipates 507 W during operation.…
A: Given: Voltage = 120 V R=507 W Formula used: P=V2R
Q: A potentiometer wire has a length 2 m and resistance of 10 Q. It is connected in series with…
A: To Find: Potential gradient VL Given: Length of potential wire (L) = 2 m Resistance of wire (R) = 10…
Q: 2A 20V
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Q: 50. 2 0.50 A(A 120-volt SOURCE The resistance value of the unknown resistor R is Ohms. Answer in a…
A: Solution
Q: (V)
A: Given: The DMM is used as a voltameter. The resistance of the voltmeter is 10 M. The resistance…
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