# VHF range is between (MHz)

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VHF range is between (MHz) 30-300

## Related questions

Television channel allocation (in MHz) for VHF band III is  A) 47-68 B) 174-230 C) 470-582 D) 606-870

In the case of a 70–MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz: (1) 34 and 106 (2) 52 and 88 (3) 106 and 142 (4) 34 and 142

What is the frequency range of VHF electromagnetic waves? A) 30-300 kHz B) 30-3000 kHz C) 30-300 MHz D) 30-3000 MHz

An amplifier operating over the frequency range from 18 to 20 MHz has 10 kilo ohm input resistor. What is the r.m.s. noise voltage at the input to this amplifier if the ambient temperature is 27o C

The frequency range 30MHz - 300MHz is  (A) medium frequency (B) very high frequency (C) super high frequency (D) Infrared frequency

The frequency range of FM radio is

U.H.F. band covers the range of  1. 0-300 KHz 2. 3-30 MHz 3. 300-3000 KHz 4. 300 MHz - 3 GHz

The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

The unity gain bandwidth of an inverting amplifier is 10 MHz What would be the bandwidth if the gain is increased to 10 V/V? A) 100 MHz B) 1 MHz C) 10 MHz D) 1 kHz

To generate 1 MHz signal, the most suitable circuit is (a) Wein bridge oscillator (b) Phase shift oscillator (c) Colpitts oscillator (d) None of these

A 4 GHz carrier is amplitude modulated by a low-pass signal of maximum cut off frequency 1 MHz. lf this signal is to be ideally sampled, the minimum sampling frequency should be nearly

The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : - a) 225 MHz b) 1.06 MHz c) 10 KHz d) 10 MHz

Which meter is suitable for the measurement of 10 mV at 50 MHz ?   (a) Moving iron voltmeter (b) CRO (c) Electrostatic voltmeter (d) VTVM

For a transistor, Ceb=20pF, Ccb=5pF, re=1kOhm. Its figure of merit (in MHz) is about  A) 65 B) 650 C) 130 D) 13

The FM radio broad cast frequency band (in MHz) is  A) 68-98 B) 88 -108 C) 148 – 268 D) None of these

Propagation medium of the signal in band (3 to 30) MHz is by  A) Space wave B) Surface wave C) Sky wave D) LOS

In CCIR PAL B Television standards, sound IF (in MHz) is at  A) 30.5 B) 33.4 C) 32.9 D) 37.1

A pulse compression radar transmits an encoded pulse having a frequency chirp from 990 MHz to 1010 MHz centred around 1 GHz. The range resolution capability of this radar is A) 7.5 m B) 7.5 Km C) 75 m D) 750 m

An OP amp has a slew rate of 1V/µs. At a signal frequency of 0.1 MHz, the maximum undistorted sine wave amplitude is (a) 8V (b) 4.82 V (c) 2.02 V (d) 1.592 V

For a resonant circuit with resonant frequency of 1 MHz a, 0 = 50 and R = 400, find the value of C (A) 250 pF (B) 1000 pF (C) 1.25 pF (D) 500 pF

An Ideal power limited communication channel with additive white Gaussian noise with 1 MHz band width and Signal to Noise ratio of 15 is transmitting the information at theoretical maximum rate. If the Signal to Noise ratio is reduced to 7, how much bandwidth is required to maintain same rate: a. 15/7 MHz b.4/3 MHz c. 2 MHz d. None of these

On chip oscillator of 8051 has a nominal frequency (in MHz) of  A) 2 B) 8 C) 10 D) 12

AM transmitter operating below about 5 MHz usually make use of  A) Marconi antenna B) Turnstile antenna C) Hertz dipole D) Folded dipole

How range of A.C. ammeter & A.C. voltmeter is extended? Draw suitable diagram.

Overall thermal efficiency of a steam power station in India is in the range: A) 18-24 percent B) 30-40 percent C) 44-62 percent D) 68-79 percent

The full scale range of PMMC voltmeter is 100 V and its sensitivity is 1000 Ω/V. If the meter reads 50 V, the current through the voltmeter is (A) 0.05 mA (B) 0.5 mA (C) 5 mA (D) 50 mA

If the range of an analog transducer is 0 to 10 V, then for a resolution of 5 mV, the bits of ADC will be _____.

Internal resistance of a micro-ammeter is 500 ohm. Shunt resistance required to increase its range from 0-100 µA to 0-10 A will be approximately (a) 0.05 Ω (b) 0.005 Ω (c) 0.5 Ω (d) 5.0 Ω

A digital voltmeter has a read-out range from 0 to 9999 counts. When full scale reading is 9.999 V, the resolution of the instrument will be (a) 100 mV (b) 99 mV (c) 9 mV (d) 1 mV

An ammeter has a current change of 0—5A and its internal resistance is 0.2 ohm. In order to Change the range to 0-25 A, wear need to add a resistance of  A) 0.8 ohm in series with the meter B) 1.0 ohm in series with the meter C) 0.04 ohm in parallel with the meter D) 0.05 ohm in parallel with the meter

The semiconductor used for LEDs emitting in the visible range is  (a) GaAs (b) GaAlAs (c) GalnAs (d) GaAsP

The address range for M = 64 words storage in hexadecimal format is  1. 00 to 3F  2. 00 to FF  3. 0 to 3  4. 0 to F

For arc welding current range is usually  (1) 10 to 15 A (2) 30 to 40 A (3) 50 to 100 A (4) 100 to 350 A

The range of frequencies used in induction heating is :  (A) 0-25 Hz  (C) less than 200 Hz  (B) 50 to 100 Hz  (D) more than 1 kHz

. If the peak transmitted power in a radar system is increased by a factor of 16, the maximum range will be increased by a factor of : (A) 2 (B) 4 (C) 8 (D) 16

In E.H. T. what is voltage range: A. 11 kV B. 32 kV C. 1000 V D. 220 V

The cell reference fro a range of cells that starts in cell B1 and goes over to column G and down to row 10 is…  (1) B1-G10 (2) B1.G10 (3) B1;G10 (4) B1:G10

Frequency range of FM broadcasting in India is  A) 20Hz – 20kHz B) 88Mz -108MHz C) 535 kHz – 1605 kHz D) None of the above

DC ammeter has a resistance of 0.1 Ω and its current range is 0-100 A. If the range is to be extended to 0-300 A, what shunt resistance need to be connected?  A) 0.025 Ω B) 0.05 Ω C) 0.015 Ω D) 0.03 Ω

For transmission line load matching over a range of frequencies, it is best to use a  (a) Balun (b) broadband directional coupler (c) double stub (d) single stub

If the antenna diameter in a radar system is increased by a factor of 4, the maximum range will be increased by a factor of  (a) 2 (b) 4 (c) 8 (d) 16