2. Explain the different types display devices with a neat diagram.
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- 1. Create logic gate truth tables for the following diagrams Circuit 1 Circuit 2 AB A B Circuit 3 AB Circuit 4 Q A B E D D Q2. A circuit has 10 ohms of resistance and 20 amps of current. A how much voltage would be necessary to generate this circuit ?5. An electric heater with a power of 1.5 x 10³ W, a 750 W toaster and iron 1000 W. All three are connected to a 120 V household mains voltage. a. What is the electric current in each piece of equipment? b. If the house has a 25 A circuit breaker, what is the fuse will be cut off in this situation? Explain your answer
- 4.Which of the following is true? A.Resistivity decreases as temperature increases B.Resistivity increases as temperature decreases C.Resistivity increases as temperature increases D. Resistivity does not change as temperature increases6. Using the diagram to the right, calculate 2 the total resistance of the circuit, the current 3 kh through each resistor, and the voltage through each resistor. 9 V 10 kaR2 5 k2 3 R, 4.1. Consider the simple circuit diagram below 3. Name the components labelled 1 to 4 2. Draw a circuit diagram that consists of the following: An open switch, a battery made of 4 cells, 2 resistors in series with a voltmeter measuring the pd across one of the resistors, an ammeter that measures the total current in the circuit
- 1. What is the equivalent resistance if you connect three 10.0 Ω resistors in series? 2. What is the equivalent resistance if you connect three 10.0 Ω resistors in parallel? 3. Calculate the current in each 10.0 Ω resistor in the series circuit and in the parallel circuit if the power supply is 60.0 V.Suppose you have four bulbs in a series circuit. If you were to add five more bulbs in series with these four, what would happen to the brightness of the bulbs? A.The bulbs would no longer glow.B.The bulbs would grow dimmer.C.The bulbs would grow brighter.D.The brightness would not change.3. Draw a circuit diagram for the circuit shown below. What type of circuit is it?
- list the right answers from highest to lowest1. Explain how does one ensures that logic gates X and Y are compatible. 2. Predict and explain the state of LEDs W, Z, and the buzzer duringa) Current sourcingb) Current sinkingA 20 Ω lamp and a 30 Ω lamp are connected in series with a 10 V battery. Calculate the following: A. The voltage drop across the 20 Ω lamp B. The voltage drop across the 30 Ω lamp C. The power dissipated by the 20 Ω lamp D. The power dissipated by the 30 Ω lamp