WorksheetsE-quiz,day-3
Total questions: 15
Worksheet time: 8mins
Imagine an infinite grid of 1 Ohm resistors connected together (like the one in the picture below). If you were able to measure the total resistance of this grid, what would it be?
(a)
Name the component
(a)
A technician investigates a light-dependent resistor (LDR) connected in series with a 120 Ω resistor and a voltage source. The technician measures the voltage across the LDR and also the current in the LDR.
Which one of these circuits should the technician use?
A
B
C
D
A resistor and capacitor in series is called as
Pulse circuit
Timing circuit/delay circuit
Oscillator circuit /Frequency circuit
Schmitt circuit
What is the approximate characteristic voltage that develops across the red LED
1.7v
3.4v
0.6v
5v
Two 3V batteries are connected as shown in the circuit ,What is the output voltage
3V
0V
6V
What is the multimeter detecting?
Output votage of the Schmiit trigger
Delay across the capacitor
Voltage across the capacitor
Current through the capacitor
Light that has a range of wavelength greater than the visible light is called
Ultraviolet
Infrared
Microwave
Sound
Which of the following statements is true?
An ideal current source cannot be in parellel with a short circuit
An ideal voltage source can be in parellel with an open circuit
An ideal current source can be in series with an open circuit
An ideal voltage source cannot be in series with an ideal current source
What is the most basic type of filter
Capacitor filter
Inductor filter
LC filter
Mechanical filter
Mechanical rotational frequency is measured using a device called as?
Frequency counter
Accelerometer
Frequency meter
Tachometer
Which device uses the principle that light striking a PN junction knocks bound electrons out their sockets and thus greatly increases the reverse leakage curent
LED
Photo transistor
Thyratron
All of the above
The higher-power,lower-frequency diode is normally___________ than low-power,high-frequency diode
Larger
Smaller
Heavier
Smoother
Which type of meter requires its own power source?
Voltmeter
Ammeter
Ohmmeter
Wattmeter
What is a parallel LC circuit?
Parallel resisting circuit
Tank circuit
Hartley circuit
Static circuit
