Now suppose the body rams with an object, the extent of damage will depend on the speed of the body. Together voltage and current are part of the Ohms law that provides the basic backbone of electricity. Respective examples of these three sources of voltage are batteries, solar cells, and generators (such as the “alternator” unit under the hood of your automobile). If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Regulatory jurisdictional fight between SEBI and IRDA, C. They offer lesser returns compared to traditional insurance policies. A. A voltage will influence current only if the circuit is insulated closed open high resistance O 14 4 5 O The two simplest of these are called series and parallel and occur frequently. Your IP: The maximum voltage on the reverse biased diode will be 100 V 50 V 25 V 12.5 V ⇒ A TV receiver has 20 kV EHT supply and total beam current (for 3 electron guns) of 1500 μA. 4 V B. If the branch was broken at some point, for example as: we could apply the voltage division rule and say But for the original circuit, the equation above is not correct. Meaning, the total current is equal to the current in each resistors, regardless of the measure/value of their resistance. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. So, voltage is inlfuence the current in closed circuits only. If the numerator of a fraction remains the same and its denominator doubles, the value of the fraction is halved. At open terminals voltage is infinity that is maximum, where as current will be zero. Current is equal to the voltage divided by the resistance. Current may be compared to mass of a body and voltage with the speed at which the body is able to move. Components connected in series are connected along a single conductive path, so the same current flows through all of the components but voltage is dropped (lost) across each of the resistances. C. Has high resistance. If the circuit is parallel, the voltage is constant all throughout the circuit. Answer to 2. A. Answer: Option D It's written like this: I … But the current isn't constant if you're using a voltage source--it depends on the load. A voltage will influence current only if the circuit is: A. open B. insulated C. high resistance D. closed Cloudflare Ray ID: 6140ca3638d33989 In this circuit, the voltage drop across these parallel resistors is the same as that of power supply. A basic electrical engineering equation called Ohm's law spells out how the three terms relate. Which of the following is not a primary function of a Bank? Feb 15, 2013 - A voltage will influence current only if the circuit is ? In a circuit that has both capacitance and resistance, the current will lead the voltage___. The current source requires that 0.01A flow through the open circuit, but the open circuit won't allow any current through it. This is the electronics questions and answers section on "Voltage and Current" with explanation for various interview, competitive examination and entrance test. New questions in Physics. A voltage will influence current only if the circuit is: A. open B. insulated C. high resistance D. closed Answer. Are 90° out of phase If the vector diagram of two AC waveforms is a right angle, then the waves___. If the voltmeter has a low resistance, it will draw a substantial amount of current. hence the maximum level that the electrical equipment should be able to withstand C. the resistance will increase. Since there is 9Ω in the circuit and the voltage source is 1.5V, the current going through the circuit is I= 1.5V/9Ω= 0.17A. Solved examples with detailed answer description, explanation are given and it would be easy to understand. These are the three basic building blocks required to manipulate and utilize electricity. It has got 45th rank. At first, these concepts can be difficult to understand because we cannot \"see\" them. A voltage will influence current only if the circuit is 2 See answers Swabha Swabha Only if the circuit is CLOSE.. iamakul2004 iamakul2004 Closed. When beginning to explore the world of electricity and electronics, it is vital to start by understanding the basics of voltage, current, and resistance. Performance & security by Cloudflare, Please complete the security check to access. Relation between Voltage and Current. 8 A Applying an overcurrent device (fuse or circuit breaker) within its marked interrupting rating will ensure that the overcurrent device can safely open the circuit in a … A normal diode that is rated at 100 peak inverse voltage withstanding ability. Though, these two are related to each other and help how electricity works, they are two different concepts. B. A voltage will affect electricity current only if the circuit. This preview shows page 9 - 11 out of 11 pages.. A. Voltage can be generated by means other than rubbing certain types of materials against each other. The Chameli Devi Jain Award is given for an outstanding woman ____? What happen in a circuit i f the voltage is increased: A. the current will increase. A. The answer is: "5. • Even t… ∴Vs = … E. the current will decrease. The voltage is equivalent to the water pressure, the current is equivalent to the flow rate and the resistance is like the pipe size. Current and voltage are important concepts when it comes to electricity. Is the right answer!! I can’t think of too many situations in which you would need to use a VCC to carefully control the current through a resistive load. When a voltmeter is connected across a circuit, it shunts the circuit. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. The reason is that some current of is passing through and branch. One cannot see with the naked eye the energy flowing through a wire or the voltage of a battery sitting on a table. Current flows in closed circuits only. Red, Red, Brown, Gold B. Orange, Orange, Black, Gold C. Red, Red, Black, Gold BY JAMES SHREEVE, REPUBLISHED FROM THE PAGES Question: A voltage will influence current only if the circuit is: Option A): closed Option B): high resistance Option C): insulated Is insulated. Is open. Chemical reactions, radiant energy, and the influence of magnetism on conductors are a few ways in which voltage may be produced. Influence of a Voltmeter in a Circuit The purpose of a voltmeter is to indicate the potential difference between two points in a circuit. B. the resistance will decrease. 1 only 2 and 3 only 2 and 4 only data insufficient ⇒ The voltage across the secondary of the transformer in a half wave rectifier (without any filter circuit) is 25 volts. You say that if you increase the resistance, the voltage will rise. • Actually, at the moment I can’t think of any (feel free to leave a comment if you can help me out here...). Components of an electrical circuit or electronic circuit can be connected in series, parallel, or series-parallel. Engineering Quizzes Electronics Engineering. Method: Current = Voltage / Resistance (I= V/ R) This equation is is known as Ohm's Law. A phase shift between voltage and current will only occur in reactive circuits. 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