1) The correct unit for current, I, are which of the following answers: A) 1 Amp = | C/s B) 1 Amp = ! C?/53 C) 1 Amp = |J/C•S D) 1 Amp = | N•m/C %3D
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- Integrated Concepts (a) Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V batteries of a 750-kg electric car be able to supply: (a) To accelerate from rest to 25.0 m/s in 1.00 min? (b) To climb a 2.00 102-m- high hill in 2.00 min at a constant 25.0-m/s speed while exerting 5.00 102 N of force to overcome air resistance and friction? (c) To travel at a constant 25.0-m/s speed, exerting a 5.00 102 N force to overcome air resistance and friction? See Figure 20.44.The human body can exhibit a wide range of resistances to current depending on the path of the current, contact area, and sweatiness of the skin. Suppose the resistance across the chest from the left hand to the right hand is 1.0 106 . (a) How much voltage is required to cause possible heart fibrillation in a man, which corresponds to 500 mA of direct current? (b) Why should rubber-soled shoes and rubber gloves be worn when working around electricity?= 10 V and &z = 6 V. Find th In the circuit shown, R, = 3 N, R2 = 2 N, R3 = 5 N, ɛ = 4 V, ɛ2 currents I,, 12 and I3, and the potential difference Vaf using Kirchhoff's rules. %3D %3D %3D C a E1 E2+ Ez+ 12 I3 R1 R2 R3 f
- A current of I = 4.7 A passes through the circuit shown, where R = 46 Q. I 3R 5R ww ww 2R 6R §2RR ww 10R 5R A. In terms of R, I, and numeric values, write an expression for the voltage of the source, V. B. What is the voltage, V in volts?(c) For the circuit shown in Figure Q1 (c), find the unknown quantities (Voltage E, Currents I l2, I3 and R3) using the information provided. 2 A E ま6n U 6 R RT P = 12 W Figure Q1 (c)Problem 5: A current of I- 2.6 A passes through the circuit shown, where R- 65 3R 5R V) 2R 6R 2R 7R 5R 10R Otheexpertta.com Part (a) In terms of R, I, and numeric values, write an expression for the voltage of the · source, V. Part (b) What is the voltage, V in volts? tan( sin() cotanO a acos cosh0t cosO asin() acotan 4 5 6 sinh() cotanhO *1 23 0 tanh0c O Degrees O Radians CLEAR BACKSPACE
- The current through the resistor of resistance Ra in the circuit below is: R. from left to right. V from right to left. B. V from left to right. R,+R,+R3 V from right to left. R,+R,+R,AV + Οι = 1uF COLA C₂=2µF C3 = 3µF AV = 6V C₁ C2 C3 a) Find the equivalent capacitance of the circuit in Micro-Farads (input the numbe ithout the units in the answer box).i1 i2 is 16 i3 is The figure shows an electric circuit and currents on some branches along indicated directions. Three of these currents are known; find the other three. i1 = 3 A, iz = -2 A, iz = 5 A, A i4 A is A io ||
- 210 0 a 24 V 50 μ 320 0 First, what is the time constant of the circuit formed when a and c are connected? Give your ans in ms to 3 significant digits. Question 17 Next, what is the time constant of the circuit formed when b and c connected? Give your answe ms to 3 significant digits. Question 18 Finally, you perform the following sequence of events. The capacitor starts uncharged and the switch is flipped to connect a and c. The capacitor is charged for 20 ms. The switch is then flipp to connect b and c, and the capacitor is discharged for 26 ms, at which time the switch is set to position where it is not in contact with either a or b. What is the voltage on the capacitor? Give answer to 2 significant digits.01701&cmid=97298page38 For the following circuit in the figure below. Determine V,-V, (in units of V) for E = 48.5 V. a t of estion 20 20 50 9. Select one: OA. 8.08 OB. -40.42 OC. -9.70 OD. -8.08 OE 9.70 ous page brt sc delete backsoace entWhich of the following circuit has a total resistance of 10 2 if the total current in the circuit is 5.0 Amperes? A. >R = 25 R3 = 50. = 50 R, = 50 V = 24 = 2 R3 = R, = 3 V = 24 = 2 R3 = 2 R, = 2 V = 50 O D. = 50 R = 50 R, = 25 R, 50 V = 50 AA B.