What is the potential difference if a current of 2 A flows through a resister with a value of 100 ohms? 2 V 200 V 50 V 0.02 V

Q: A real battery of emf 27 V is connected to a 14 Ω resistor. As a result, current of 1.74 A exists in…

A: Here we use the formula for power dissipated by a resistor.

Q: A light bulb, sold as long-lasting, is rated 100 W at 130 V. The "increased" lifetime comes from…

A: Power rating, P = 100 WVoltage rating, V = 130 VVoltage at which to be operated, V' = 120 VPower…

Q: A resistor draws 60 W power then connected across a potential difference of 120V. What power does…

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Q: If the current through the 20 Q resistor is 2 A (in the direction UP the branch), what is R? + 50 V…

A:

Q: An ideal battery produces a potential difference of 17.45V and is connected to 4 resistors as shown…

A: Resistor R2 and R3 are in parallel, so the net resistance due to them is R23=R2R3R2+R3=2.43 Ω3.39…

Q: A battery with voltage V  is connected to an Ohmic resistor which dissipates a power P  as current…

A: Given value--- voltage V is connected to an Ohmic resistor which dissipates a power P as current…

Q: Three resistors, 21 0, 52 Q, and 100 Q, are connected in series, and a 0.50-A current passes through…

A: If R1,R2,R3 resistances are in series then their equivalent resistance is Req = R1+R2+R3

Q: A 10-o resistor and a 30-@ resistor are connected in series across a 100-V battery. In another…

A: Potential difference V = IR

Q: The resistance between two well-separated points on the human body is about1.5 x 10. If a potential…

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Q: A resistor with resistance 25.5 2 is connected to the terminals of a voltage source. (a) Calculate…

A: a. Current through resistance is I=VR=7.5 V25.5Ω=0.29 A

Q: A current of 10 A flows through an 2 Q resistor. What is the voltage across it? 5 V 40 V 91 V 20 V…

A: Current (I) = 10 A Resistance (R) = 2 ohm

Q: 50 2 300 A 9V 100 Q What is the voltage drop across the 50 S2 resistor O a O b 6 V 3 V 7 V 9 V

A: Apply Kirchoff's voltage law to calculate the current in the left loop. 9 V-I50 Ω-I100 Ω=0I=0.06 A

Q: person notices a mild shock if the current along a path through the thumb and index finger exceeds…

A: V = IR

Q: Table 3 - Resistivity of Different Materials Length of the wires: 0,240 m Cross Sectional Caleulate…

A:

Q: A current of 2.5 A flows through a 10 ohm resistor for 1.5 minutes.  The number of electrons…

A: Current flowing through the resistor is I = 2.5 A Time of flow is t = 1.5 min

Q: The resistivity of gold is 2.44 x 10-82-m at a temperature of 20°C. A gold wire, 1.8 mm in diameter…

A:

Q: 8. The resistance R and temperature T for an electric conductor is given as R =r +aT with r as the…

A: dependence of resistance (R) on the temperature is given as : R = r + aT where r is the resistance…

Q: A 9V battery with internal resistance of 0.50 is connected across a 30 and a 50 resistor. The…

A: Electric current

Q: If the unknown resistor, R, is 20 Q, what is the voltage drop across that resistor, R? 10 0 10Ω. 10…

A: Solution:Here R1, R2 are in series thus…

Q: A power plant is being built that will deliver 400 kW at 67,000 V using an iron cable with a…

A: Given data as per the question Power to deliver =400 kwvoltage =67000 vResistance=0.084ΩArea=0.009…

Q: The sketch shows a circuit with two resistors and a battery. Which of the following statements is…

A: Given,R1 and R2 are parallel o each other,1) The potential drop across R1V1 = I1R1The potential drop…

Q: onsider the combination of resistors shown in the figure below. ** 120 W w 500 400 W 600 (a) Find…

A:

Q: A resistor with resistance 31.5 Q is connected to the terminals of a voltage source. (a) Calculate…

A: recall V=IR P=i2R

Q: Calculate the electric current running through a resistor with resistance R = 100 when it is…

A: Resistance (R) = 100 ΩVoltage (V) = 8 VRequired:Electric current (I)

Q: A potential difference of 12.4 V is placed across a 4.1 Q resistor. What is the current in the…

A: By ohms law_                                  V=IR  and we have given                      V =12.4…

Q: Three resistors, 23 2, 65 2, and 80 2, are connected in series, and a 0.76-A current passes through…

A: R1 = 23 ohm R2 = 65 ohm R3 = 80 ohm Current (i) = 0.76 A Arrangement of resistors = SERIES

Q: www R2 www R, www R3 V A 5-year old has nothing better to do than to connect three resistors to a…

A: The parallel combination of the resistance is, 1RP=1R2+1R3RP=R2R3R3+R2=621616+62=12.7 Ω The total…