1. The reciprocal of resistance is: (a) voltage (b) current (c) conductance (d) coulombs 2 An electric heater draws 10 A from a 120-V line. The resistance of the heater is: (c) 12 0 (a) 12000 3. The maximum current that a 2W, 80 kQ resistor can safely conduct is: (b) 120 Q (d) 1. (a) 160 kA (b) 40 kA (c) 5 mA (d):

1. The reciprocal of resistance is: (a) voltage (b) current (c) conductance (d) coulombs 2 An electric heater draws 10 A from a 120-V line. The resistance of the heater is: (c) 12 0 (a) 12000 3. The maximum current that a 2W, 80 kQ resistor can safely conduct is: (b) 120 Q (d) 1. (a) 160 kA (b) 40 kA (c) 5 mA (d):

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

In a design task, a wire of 2000 m requires to exhibit a voltage drop of 2.5 Vwhen 3.2 A of current passes though it. Based on the Table Q1 (b) below, inyour opinion, which of the wire is the most suitable for aviation when the fuelsaving is another factor to be considered as well.
An aluminum wire 7.5m long is connected in parallel with a copper wire 6m long. When a current of 5A is passed through the combination, it is found that the current in the aluminum wire is 3A. If the diameter of the aluminum wire is 1mm, determine the diameter of the copper wire. Assume the resistivity of copper to be 0.017µΩm and that of aluminum to be 0.028 µΩm. Major Topic 7 Factors that affect the resistance
Solve the following Numerical problems a. What is the Output Voltage of a battery that expends 7.2J of energy in moving 1C of charge? b. A 50-ohm load dissipates 200W of power. How much is the voltage and current across the load? c. If one branch of a 120-V power line is protected by a fuse of 20-A. Will the fuse carry 10-Ohm load? d. If total resistance of a series circuit is 280-Ohm. If one of the resistance is 160-Ohm. What is the sum of other two resistances?
a) The power, P, consumed by a resistor of resistance R, is given by P = E^2R Given that E = 20 V and R = 1000ꭥ, using partial derivatives, find the approximate change inpower if E is decreased by 0.5 V and R is increased by 50ꭥ.b) Check and compare your findings using standard electrical principles.
Chemistry Q1)The electrical current can, , pass across the metal-solution interface, although there is no resistance to it A) TRUE B) FALSE Q2) If the maximum efficiency possible for a fuel cell = 70% referring to higher hating value determine the cell voltage E ? a. 0.875 V b. 10. 36 V c. 87.5 V d. 1. 036 V
a)Determine a numerical value for each current and voltage (i1, v1, etc.) in the circuit shown below.b)verify that the principle of conservation of power in indeed true
An electric heater having power rated 1000W connected to a 240V supply for 10minutes. a) Determine the heat energy produced of the electric heater. b) Calculate current taken from the supply. c) Find the resistance value of the heater element. d) Calculate the conductance of the heater element. e) Find the nett charge flowing in the heater element. f) Calculate the no. of free electron that represent for that amount charge obtained.
current of 200a is passed through a stainless-steel wire [k = 19 w/m °c] 3mm in diameter. the resistivity of the steel may be taken as 70 μω.cm, and the length of the wire is 1 m. the wire is submerged in a liquid at 110°c and experiences a convection heat transfer coefficient of 4 kw/m2 °c. calculate the center temperature of the wire.
Direction: Answer the following and show your solution. REFERENCE: a. Watch the video provided discussing what is current resistivity and resistance. i. Electric current - https://youtu.be/HXOok3mfMLM ii. Resistance - https://youtu.be/NfcgA1axPLo iii. Resistivity - https://youtu.be/nN3bb0aK1GM 1. Calculate the current density, resistance, and electrical field of a 5-m length of copper wire with a diameter of 2.053 mm (12-gauge) carrying a current of I=10mA.
Q2-A// The optimum cooling rate for preserving red blood cells is 2* 10 C/min. At this optimum rate, how long would it take to cool red blood cells from 37°C to 196°C ?
17. (I) Compute the voltage drop along a 21-m length of household no. 14 copper wire (used in 15-A circuits). The wire has diameter 1.628 mm and carries a 12-A current.
A carbon resistor has a length of 25 mm and a uniform cross-sectional area equal to 0.3 mm^2. The conductivity of carbon at room temperature is 3 × 10^4 (A/m^2)(V/m). In a circuit the potential at one end of the resistor is V1 = 1.6V relative to ground and at the other end it is V2 = 1.8V. (a) Calculate the resistance of the resistor. (b) Calculate the conventional current in the resistor. (c) If the carbon resistor is replaced by one one-third the length and twice the cross-sectional area, how much would the conventional current in the new resistor now be worth if the same potential difference is maintained across its resistors? ends?