Learn more about our help with Assignments: Electric Circuits
Search & Filtering
Electric Circuits
why is rms values of current and voltage used to calculate power
Electric Circuits
An electricle cricuit consists of a resistance R=40_∩_(omega), an inductance L=1H and a capacitance C=16×10^-4 F in series with an emf E=100 cos 10t. Determine the charge q in the circuit at a time t, if the initial charge and current in the circuit are zero.
Electric Circuits
The potential difference V and the current i flowing through an instrument in an ac circuit of frequency f are given by V = 5 cos t volts and I = 2 sin t amperes (where = 2f). The power dissipated in the instrument is -
(1)Zero
(2)10 W
(3)5 W
(4)2.5 W
(1)Zero
(2)10 W
(3)5 W
(4)2.5 W
Electric Circuits
A 10Ω and a 20Ω resistances are connected in parallel, another resistance of 5Ω is connedted in series with the two. If the supply voltage is 48V, what is the current through the 10Ω resistance?
Electric Circuits
Find the current in a circuit consisting of a coil and a capacitor in series, if the applied voltage is 110V, 60Hz; The inductance of the coil is 0.8H; The resistance of the coil is 50 ; and the capacitance of the capacitor is 8µF. b) find the power used in the circuit.
Electric Circuits
A series resistance-capacitance (R-C) circuit is connected to a 230V, 60Hz source. If the power taken by the circuit is 4,800W and the voltage drop across the resistor is 115V, calculate the capacitance of the capacitor.
Electric Circuits
A bulb of 100 W and 5 tubelights each of 40 W are used daily for 2 hour and 4 hour respectively.Calculate unit of electrical energy consumed in the month of June.
Electric Circuits
Two resistors 400Ω and 800Ω are connected in series with a 6 V battery.The potential difference measured by voltmeter of 10 kΩ across 400Ω resistor is - A)2V B)1.95V C)3.8V D)4V
Electric Circuits
a piece of wire 10.0 meters long and 0.500 millimetre in diameter has a resistance of 2.5 ohms. What length of the wire of the same material 0.300 millimetre in diameter will have a resistance of 3.00 ohms?
Electric Circuits
IF A SLAB OF INSULATING MATERIAL 4x10^(-3)m THICK IS INTRODUCED BETWEEN THE PLATES OF A PARALLEL PLATE CAPACITOR , THE SEPARATION BETWEEN PLATES HAS TO BE INCREASED BY 3.5x10^(-3)m TO RESTORE THE CAPACITY TO ORIGINAL VALUE.THE DIELECTRIC CONSTANT OF THE MATERIAL WILL BE -
1. 6
2. 8
3. 10
4. 12
1. 6
2. 8
3. 10
4. 12
" Assignmentexpert.com " is a name that MUST remember when you have a project in mathematics, even if that project is related to an advanced course!
#331389 on Nov 2022
#331389 on Nov 2022