REMOVALS ELEX

• In an 8 pin, 741 op amp IC, pin #2 is the inverting input
• A cascade amplifier is a cascade of CE and CB amplifiers
• The inductance of a coil is 13mH when it takes a current of 2A from a 12V DC supply and 20A from a 240V 50Hz supply
• The base 10 equivalent of 231.23 base 4 is 45.6875
• For an N channel E-MOSFET with ID(on) = 4mA at VGS = 10V and VGS(th) = 5V, the drain current for VGS = 8V is 1.44mA
• The reactive power of a coil with a resistance of 10 ohms drawing 5A from a 100V, 60Hz source is 433 VAR
• The peak factor of a sine waveform is 1.414
• The rms value of the half-wave rectified voltage with a peak voltage of 60V is 42.4 V
• The form factor of a half wave rectifier is 1.11
• The magnetic field strength when a current of 5A passes through a 1000-turn coil on a circular magnetic circuit of radius 120mm is 6631 At/m
• A Bistable MV has zero quasi stable states
• The minimum number of two input NAND Gates used to perform the function of a two input AND gate is two
• The minimum number of two input NAND Gates used to perform the function of a two input OR gate is three
• The minimum number of two input NOR Gates used to perform the function of a two input OR gate is two
• The maximum power that can be drawn from a 12-V battery with an internal resistance of 0.25 ohm is 144W
• The coil inductance when a current of 4A in a coil of 800 turns produces a flux of 5mWb linking with a coil is 1H
• The Q-factor of a series circuit comprising a coil of resistance 20ohms, inductance 2mH, and a 500pF capacitor at resonance is 100
• In Norton’s Theorem, the original network is converted into a simple circuit in which a parallel combination of the constant-current and looking back resistance feeds the load resistor
• The four resistors in ascending order are 3R3, 4R7, 22R, 5K6 (3.3, 4.7, 22, 5006)
• The current in a coil with a magnetic field strength of 5000A/m applied to a circular magnetic circuit of mean diameter 250mm with 500 turns is 7.85 A
• For a load with true power 10W and reactive power 10VAR, the apparent power is 14.14VA
• The resistance of the resistor in a circuit containing a resistor in series with a capacitor with an admittance of (0.040 + j0.025)S is 18 ohms
• The total reactance when a voltage with a frequency of 7kHz is applied across a circuit with two 10H inductors in parallel and in series with a third 10H inductor is 660K ohms
• The bandwidth of a filter constructed from a coil with 100mH inductance and 30-ohms series resistance in parallel with a 0.8 uF capacitor is 47.75 Hz
• The wavelength of the signal emitted by a GaAs diode is 869 nm
• The ripple factor of a half wave rectifier is 1.21
• The characteristic of a magnetic material whereby a change in magnetization lags the application of a magnetizing force is called Hysteresis
• The Superposition Theorem states that the current in any resistor or the voltage across any resistor is equal to the voltages across any resistor, assuming that each source of emf, acting independently of the others, is applied separately in turn while the others are replaced by their respective internal values of resistance
• The Gray code where all successive numbers differ from their preceding number from a single bit is called Gray code
• The binary equivalent of gray code 101011 is 110010