Calculate the effective resistance of a pocket calculator that has a 1.35-V battery and through which 0.200 mA flows.
Q: Suppose that the resistance between the walls of a biological cell is 1.10 1010 Ω. (a) What is the…
A: Given information: The resistance offered bt the cell wall (R) = 1.10 ×1010 Ω The voltage across the…
Q: A 240V household appliance has an electrical resistance of 209 Ohms. How much energy will it use in…
A:
Q: A battery is supplying electrical power to a single resistor 75 ohms. If the battery has a terminal…
A: solution as
Q: A battery with a 0.128 Q internal resistance supplies 14.2 W of total power with a 8.81 V terminal…
A:
Q: How much electrical energy (in kilojoules) is transferred to thermal energy in 2.97 hours by an…
A: Given: The time interval is 2.97 h. The resistance of the circuit is 671 Ohm. The potential…
Q: A potentiometer wire of length 4 m has a resistance of 8 Q. It is connected in series with a battery…
A:
Q: 5. How much electrical energy is transferred to thermal energy in 2.50 hrs by an electrical…
A:
Q: A portable coffee heater supplies a potential difference of 12.0 V across a Nichrome heating element…
A:
Q: A silver wire has a resistance of 3.00 N at 27.0°C. Determine its resistance (in 0) at 427°C. The…
A:
Q: (a) Given a 60.0 V battery and 14.00 and 72.00 resistors, find the current (in A) and power (in W)…
A:
Q: Calculate the effective resistance (in kΩ) of a pocket calculator that has a 1.65 V battery and…
A:
Q: For the circuit shown in the figure below, calculate the following quantities. (Assume = 7.50 V and…
A:
Q: (a) Given a 44.0 V battery and 26.00 and 80.00 resistors, find the current (in A) and power (in W)…
A:
Q: tomobile battery has an emf of 12.6 V and an internal resistance of 0.0790 2. The headlights…
A:
Q: A certain toaster has a heating element made of Nichrome wire. When the toaster is first connected…
A:
Q: A 1.5 V D-size battery stores 54 kJ of energy. What steady current could this battery provide for 20…
A: Given data: emf of D-size battery is V=1.5 V Energy stored in the battery is E=54 kJ=54×103J Time…
Q: If the power rating of a computer is 600W and the computer is plugged into a mains supply (230V),…
A: Given that:- Power rating of computer=600W Voltage supply=V=230Volt
Q: Calculate the effective resistance (in kΩ) of a pocket calculator that has a 2.15 V battery and…
A: According to Ohm's lawV=IRR=VIHereV=voltageI=currentR=Resistance
Q: A water heater that is connected across the terminals of 15V power supply is able to heat 250ml of…
A:
Q: How much electrical energy (in kilojoules) is transferred to thermal energy in 3.07 hours by an…
A:
Q: In the circuit in (Figure 1), a 20-ohm resistor sits inside 113 g of pure water that is surrounded…
A: The mass m=113 g The initial temperature, Ti=11.8° C The final temperature, Tf=57.3° C The…
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: An aluminum wire has a resistance of 3.00 2 at 31.0°C. Determine its resistance (in 2) at 431°C. The…
A: Write the expression for the resistance at a temperature T. Here, R0 represents the initial…
Q: An electric heater is constructed by applying a potential difference of V=50.52V to an element wire…
A: Given: The potential difference is 50.52 V. The resistance of the circuit is 19.03 Ohm.
Q: Calculate the effective resistance (in kΩ) of a pocket calculator that has a 1.25 V battery and…
A:
Q: An engineer built the circuit depicted in the figure. Assuming & = 8.10 V and R = 4.80 , find the…
A:
Q: a) Determine the resistance of the resistor. Enter your answer in units of Ω. (b) Determine the…
A: Part (a): Given: The supply voltage is 4.5 V. The electric current is 550 μA.
Q: Calculate the effective resistance of a pocket calculator that has a 2.03 V battery and through…
A: Given data Voltage ( V ) = 2.03 V Current ( I ) = 0.242 mA = 0.242 * 10-3 A To find Effective…
Q: A wire of resistance 5.0 ohm is connected to a battery whose emf D is 2.0 V and whose internal…
A:
Q: Using Kirchhoff's rules, find the following. (₁ = 70.4 V, 8₂= 60.8 V, and 8 = 78.4 V.) 4.00 ΚΩ - IR3…
A:
Q: An engineer built the circuit depicted in the figure. Assuming & = 7.80 V and R = 5.90 02, find the…
A:
Q: In household wiring, copper wire 2.05 mm in diameter is often used. Find the resistance of 24.0 m…
A: Given value--- diameter = 2.05 mm. so radius , r = (2.05 / 2 ) = 1.025 mm = 1.025 × 10-3 m. length…
Q: The four resistances are R1 = 4.9 Ohm, R2 = 7.1 Ohm, R3 = 7.2 Ohm, and R4 = 9.2 Ohm. The power…
A: Given Data Resistance of the four resistors are R1=4.9 Ω, R2=7.1 Ω, R3=7.2 Ω and R4=9.2 Ω Potential…
Q: A certain toaster has a heating element made of Nichrome wire. When the toaster is first connected…
A: voltage = 110 volts initial temperature = 20oC initial current = 1.79 A current at final operating…
Q: A hair dryer draws 6.0 A when plugged into a 120-V line. (a) What is its resistance? (b) How…
A:
Q: What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150…
A: V = IR R = 150/650 × 10-3 R = 230.769 Ohm
Q: Given a resistance of 96.91 Q and a capacitance of 980.14 µF, what is t 1/2? Answer in milliseconds.…
A:
Q: An electric skillet is rated at 0.61 kW when connected to a 120 V source. (a) What current (in A)…
A:
Q: A 240V household appliance has an electrical resistance of 194 Ohms. How much energy will it use in…
A:
Step by step
Solved in 2 steps
